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[python/*] proofread en and ru and all links
This commit is contained in:
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@ -1003,14 +1003,11 @@ print(say(say_please=True)) # Can you buy me a beer? Please! I am poor :(
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### مجانا عبر الانترنت
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* [أتمتتة المهمات المُملة عبر بايثون](https://automatetheboringstuff.com)
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* [أفكار لمشروعات بلغة البايثون](http://pythonpracticeprojects.com)
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* [التوثيقات الرسمية](http://docs.python.org/3/)
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* [دليل المُسافر لبايثون](http://docs.python-guide.org/en/latest/)
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* [دورة بايثون](http://www.python-course.eu/index.php)
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* [أولى الخطوات مع بايثون](https://realpython.com/learn/python-first-steps/)
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* [قائمة مُختارة من إطارات عمل بايثون الرائعة, المكتبات والبرمجيات](https://github.com/vinta/awesome-python)
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* [ثلاثون خاصية وخدعة للغة البايثون ربما لم تعرف بها](http://sahandsaba.com/thirty-python-language-features-and-tricks-you-may-not-know.html)
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* [الدليل الرسمي لنمط البايثون](https://www.python.org/dev/peps/pep-0008/)
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* [الدليل الرسمي لنمط البايثون](https://peps.python.org/pep-0008/)
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* [بايثون 3 دوائر علوم الحاسب](http://cscircles.cemc.uwaterloo.ca/)
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* [غُص في بايثون 3](http://www.diveintopython3.net/index.html)
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* [دورة سريعة في البايثون للعلماء](http://nbviewer.jupyter.org/gist/anonymous/5924718)
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@ -631,8 +631,7 @@ print(say(say_please=True)) # Can you buy me a beer? Please! I am poor :(
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* [Dive Into Python](http://www.diveintopython.net/)
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* [Ideas for Python Projects](http://pythonpracticeprojects.com)
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* [The Official Docs](http://docs.python.org/3/)
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* [Hitchhiker's Guide to Python](http://docs.python-guide.org/en/latest/)
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* [A Crash Course in Python for Scientists](http://nbviewer.ipython.org/5920182)
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* [Hitchhiker's Guide to Python](http://docs.python-guide.org/)
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* [Python Course](http://www.python-course.eu/index.php)
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* [First Steps With Python](https://realpython.com/learn/python-first-steps/)
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@ -1015,12 +1015,10 @@ print(say(say_please=True)) # Can you buy me a beer? Please! I am poor :(
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* [Automate the Boring Stuff with Python](https://automatetheboringstuff.com)
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* [Ideas for Python Projects](http://pythonpracticeprojects.com)
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* [The Official Docs](http://docs.python.org/3/)
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* [Hitchhiker's Guide to Python](http://docs.python-guide.org/en/latest/)
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* [Hitchhiker's Guide to Python](http://docs.python-guide.org/)
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* [Python Course](http://www.python-course.eu/index.php)
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* [First Steps With Python](https://realpython.com/learn/python-first-steps/)
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* [A curated list of awesome Python frameworks, libraries and software](https://github.com/vinta/awesome-python)
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* [30 Python Language Features and Tricks You May Not Know About](http://sahandsaba.com/thirty-python-language-features-and-tricks-you-may-not-know.html)
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* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
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* [Official Style Guide for Python](https://peps.python.org/pep-0008/)
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* [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/)
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* [Dive Into Python 3](http://www.diveintopython3.net/index.html)
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* [A Crash Course in Python for Scientists](http://nbviewer.jupyter.org/gist/anonymous/5924718)
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@ -562,9 +562,8 @@ print(decir(decir_por_favor=True)) # ¿Puedes comprarme una cerveza? ¡Por favo
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* [Dive Into Python](http://www.diveintopython.net/)
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* [Ideas for Python Projects](http://pythonpracticeprojects.com)
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* [The Official Docs](http://docs.python.org/3/)
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* [Hitchhiker's Guide to Python](http://docs.python-guide.org/en/latest/)
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* [Hitchhiker's Guide to Python](http://docs.python-guide.org/)
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* [Python Module of the Week](http://pymotw.com/3/)
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* [A Crash Course in Python for Scientists](http://nbviewer.ipython.org/5920182)
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### Encuadernados
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@ -713,8 +713,7 @@ print(say(say_please=True)) # affiche Can you buy me a beer? Please! I am poor
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* [Dive Into Python](http://www.diveintopython.net/)
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* [Ideas for Python Projects](http://pythonpracticeprojects.com)
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* [The Official Docs](http://docs.python.org/3/)
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* [Hitchhiker's Guide to Python](http://docs.python-guide.org/en/latest/)
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* [A Crash Course in Python for Scientists](http://nbviewer.ipython.org/5920182)
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* [Hitchhiker's Guide to Python](http://docs.python-guide.org/)
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* [Python Course](http://www.python-course.eu/index.php)
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* [First Steps With Python](https://realpython.com/learn/python-first-steps/)
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@ -1002,12 +1002,10 @@ print(say(say_please=True)) # Puoi comprarmi una birra? Per favore! Sono povero
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* [Automate the Boring Stuff with Python](https://automatetheboringstuff.com)
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* [Ideas for Python Projects](http://pythonpracticeprojects.com)
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* [The Official Docs](http://docs.python.org/3/)
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* [Hitchhiker's Guide to Python](http://docs.python-guide.org/en/latest/)
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* [Hitchhiker's Guide to Python](http://docs.python-guide.org/)
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* [Python Course](http://www.python-course.eu/index.php)
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* [First Steps With Python](https://realpython.com/learn/python-first-steps/)
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* [A curated list of awesome Python frameworks, libraries and software](https://github.com/vinta/awesome-python)
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* [30 Python Language Features and Tricks You May Not Know About](http://sahandsaba.com/thirty-python-language-features-and-tricks-you-may-not-know.html)
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* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
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* [Official Style Guide for Python](https://peps.python.org/pep-0008/)
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* [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/)
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* [Dive Into Python 3](http://www.diveintopython3.net/index.html)
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* [A Crash Course in Python for Scientists](http://nbviewer.jupyter.org/gist/anonymous/5924718)
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@ -996,12 +996,10 @@ print(say(say_please=True)) # Can you buy me a beer? Please! I am poor :(
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* [Automate the Boring Stuff with Python](https://automatetheboringstuff.com)
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* [Ideas for Python Projects](http://pythonpracticeprojects.com)
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* [The Official Docs](http://docs.python.org/3/)
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* [Hitchhiker's Guide to Python](http://docs.python-guide.org/en/latest/)
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* [Hitchhiker's Guide to Python](http://docs.python-guide.org/)
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* [Python Course](http://www.python-course.eu/index.php)
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* [First Steps With Python](https://realpython.com/learn/python-first-steps/)
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* [A curated list of awesome Python frameworks, libraries and software](https://github.com/vinta/awesome-python)
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* [30 Python Language Features and Tricks You May Not Know About](http://sahandsaba.com/thirty-python-language-features-and-tricks-you-may-not-know.html)
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* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
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* [Official Style Guide for Python](https://peps.python.org/pep-0008/)
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* [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/)
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* [Dive Into Python 3](http://www.diveintopython3.net/index.html)
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* [A Crash Course in Python for Scientists](http://nbviewer.jupyter.org/gist/anonymous/5924718)
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@ -726,13 +726,11 @@ print(say(say_please=True)) # Você me paga uma cerveja? Por favor! Eu sou pobre
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* [Dive Into Python](http://www.diveintopython.net/)
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* [Ideas for Python Projects](http://pythonpracticeprojects.com)
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* [The Official Docs](http://docs.python.org/3/)
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* [Hitchhiker's Guide to Python](http://docs.python-guide.org/en/latest/)
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* [A Crash Course in Python for Scientists](http://nbviewer.ipython.org/5920182)
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* [Hitchhiker's Guide to Python](http://docs.python-guide.org/)
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* [Python Course](http://www.python-course.eu/index.php)
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* [First Steps With Python](https://realpython.com/learn/python-first-steps/)
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* [A curated list of awesome Python frameworks, libraries and software](https://github.com/vinta/awesome-python)
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* [30 Python Language Features and Tricks You May Not Know About](http://sahandsaba.com/thirty-python-language-features-and-tricks-you-may-not-know.html)
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* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
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* [Official Style Guide for Python](https://peps.python.org/pep-0008/)
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### Dead Tree
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@ -42,7 +42,7 @@ syntactic clarity. It's basically executable pseudocode.
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# Integer division rounds down for both positive and negative numbers.
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5 // 3 # => 1
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-5 // 3 # => -2
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5.0 // 3.0 # => 1.0 # works on floats too
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5.0 // 3.0 # => 1.0 # works on floats too
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-5.0 // 3.0 # => -2.0
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# The result of division is always a float
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@ -74,36 +74,36 @@ True and False # => False
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False or True # => True
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# True and False are actually 1 and 0 but with different keywords
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True + True # => 2
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True * 8 # => 8
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False - 5 # => -5
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True + True # => 2
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True * 8 # => 8
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False - 5 # => -5
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# Comparison operators look at the numerical value of True and False
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0 == False # => True
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2 > True # => True
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2 == True # => False
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-5 != False # => True
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0 == False # => True
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2 > True # => True
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2 == True # => False
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-5 != False # => True
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# None, 0, and empty strings/lists/dicts/tuples/sets all evaluate to False.
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# All other values are True
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bool(0) # => False
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bool("") # => False
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bool([]) # => False
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bool({}) # => False
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bool(()) # => False
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bool(set()) # => False
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bool(4) # => True
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bool(-6) # => True
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bool(0) # => False
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bool("") # => False
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bool([]) # => False
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bool({}) # => False
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bool(()) # => False
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bool(set()) # => False
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bool(4) # => True
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bool(-6) # => True
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# Using boolean logical operators on ints casts them to booleans for evaluation,
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# but their non-cast value is returned. Don't mix up with bool(ints) and bitwise
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# and/or (&,|)
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bool(0) # => False
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bool(2) # => True
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0 and 2 # => 0
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bool(-5) # => True
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bool(2) # => True
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-5 or 0 # => -5
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bool(0) # => False
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bool(2) # => True
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0 and 2 # => 0
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bool(-5) # => True
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bool(2) # => True
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-5 or 0 # => -5
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# Equality is ==
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1 == 1 # => True
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@ -153,9 +153,9 @@ len("This is a string") # => 16
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# Since Python 3.6, you can use f-strings or formatted string literals.
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name = "Reiko"
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f"She said her name is {name}." # => "She said her name is Reiko"
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f"She said her name is {name}." # => "She said her name is Reiko"
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# Any valid Python expression inside these braces is returned to the string.
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f"{name} is {len(name)} characters long." # => "Reiko is 5 characters long."
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f"{name} is {len(name)} characters long." # => "Reiko is 5 characters long."
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# None is an object
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None # => None
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@ -177,7 +177,7 @@ print("I'm Python. Nice to meet you!") # => I'm Python. Nice to meet you!
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print("Hello, World", end="!") # => Hello, World!
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# Simple way to get input data from console
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input_string_var = input("Enter some data: ") # Returns the data as a string
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input_string_var = input("Enter some data: ") # Returns the data as a string
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# There are no declarations, only assignments.
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# Convention in naming variables is snake_case style
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@ -340,9 +340,8 @@ filled_dict["four"] = 4 # another way to add to dict
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del filled_dict["one"] # Removes the key "one" from filled dict
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# From Python 3.5 you can also use the additional unpacking options
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{'a': 1, **{'b': 2}} # => {'a': 1, 'b': 2}
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{'a': 1, **{'a': 2}} # => {'a': 2}
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{"a": 1, **{"b": 2}} # => {'a': 1, 'b': 2}
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{"a": 1, **{"a": 2}} # => {'a': 2}
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# Sets store ... well sets
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@ -374,10 +373,10 @@ filled_set | other_set # => {1, 2, 3, 4, 5, 6}
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{1, 2, 3, 4} ^ {2, 3, 5} # => {1, 4, 5}
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# Check if set on the left is a superset of set on the right
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{1, 2} >= {1, 2, 3} # => False
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{1, 2} >= {1, 2, 3} # => False
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# Check if set on the left is a subset of set on the right
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{1, 2} <= {1, 2, 3} # => True
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{1, 2} <= {1, 2, 3} # => True
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# Check for existence in a set with in
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2 in filled_set # => True
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@ -501,15 +500,15 @@ with open("myfile1.txt", "w") as file:
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import json
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with open("myfile2.txt", "w") as file:
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file.write(json.dumps(contents)) # writes an object to a file
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file.write(json.dumps(contents)) # writes an object to a file
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# Reading from a file
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with open('myfile1.txt', "r") as file:
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with open("myfile1.txt") as file:
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contents = file.read() # reads a string from a file
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print(contents)
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# print: {"aa": 12, "bb": 21}
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with open('myfile2.txt', "r") as file:
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with open("myfile2.txt", "r") as file:
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contents = json.load(file) # reads a json object from a file
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print(contents)
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# print: {"aa": 12, "bb": 21}
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@ -662,9 +661,9 @@ def create_avg():
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return total/count
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return avg
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avg = create_avg()
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avg(3) # => 3.0
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avg(5) # (3+5)/2 => 4.0
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avg(7) # (8+7)/3 => 5.0
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avg(3) # => 3.0
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avg(5) # (3+5)/2 => 4.0
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avg(7) # (8+7)/3 => 5.0
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# There are also anonymous functions
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(lambda x: x > 2)(3) # => True
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@ -682,7 +681,7 @@ list(filter(lambda x: x > 5, [3, 4, 5, 6, 7])) # => [6, 7]
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[x for x in [3, 4, 5, 6, 7] if x > 5] # => [6, 7]
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# You can construct set and dict comprehensions as well.
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{x for x in 'abcddeef' if x not in 'abc'} # => {'d', 'e', 'f'}
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{x for x in "abcddeef" if x not in "abc"} # => {'d', 'e', 'f'}
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{x: x**2 for x in range(5)} # => {0: 0, 1: 1, 2: 4, 3: 9, 4: 16}
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@ -744,7 +743,7 @@ class Human:
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self.name = name
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# Initialize property
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self._age = 0 # the leading underscore indicates the "age" property is
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self._age = 0 # the leading underscore indicates the "age" property is
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# intended to be used internally
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# do not rely on this to be enforced: it's a hint to other devs
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@ -754,7 +753,7 @@ class Human:
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# Another instance method
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def sing(self):
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return 'yo... yo... microphone check... one two... one two...'
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return "yo... yo... microphone check... one two... one two..."
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# A class method is shared among all instances
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# They are called with the calling class as the first argument
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@ -788,7 +787,7 @@ class Human:
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# When a Python interpreter reads a source file it executes all its code.
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# This __name__ check makes sure this code block is only executed when this
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# module is the main program.
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if __name__ == '__main__':
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if __name__ == "__main__":
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# Instantiate a class
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i = Human(name="Ian")
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i.say("hi") # "Ian: hi"
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@ -849,7 +848,7 @@ class Superhero(Human):
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# pass
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# Child classes can override their parents' attributes
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species = 'Superhuman'
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species = "Superhuman"
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# Children automatically inherit their parent class's constructor including
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# its arguments, but can also define additional arguments or definitions
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@ -872,7 +871,7 @@ class Superhero(Human):
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# override the sing method
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def sing(self):
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return 'Dun, dun, DUN!'
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return "Dun, dun, DUN!"
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# add an additional instance method
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def boast(self):
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@ -880,14 +879,14 @@ class Superhero(Human):
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print("I wield the power of {pow}!".format(pow=power))
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if __name__ == '__main__':
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if __name__ == "__main__":
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sup = Superhero(name="Tick")
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# Instance type checks
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if isinstance(sup, Human):
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print('I am human')
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print("I am human")
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if type(sup) is Superhero:
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print('I am a superhero')
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print("I am a superhero")
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# Get the "Method Resolution Order" used by both getattr() and super()
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# (the order in which classes are searched for an attribute or method)
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@ -902,7 +901,7 @@ if __name__ == '__main__':
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print(sup.sing()) # => Dun, dun, DUN!
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# Calls method from Human
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sup.say('Spoon') # => Tick: Spoon
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sup.say("Spoon") # => Tick: Spoon
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# Call method that exists only in Superhero
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sup.boast() # => I wield the power of super strength!
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@ -913,33 +912,35 @@ if __name__ == '__main__':
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print(sup.age) # => 31
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# Attribute that only exists within Superhero
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print('Am I Oscar eligible? ' + str(sup.movie))
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print("Am I Oscar eligible? " + str(sup.movie))
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####################################################
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## 6.2 Multiple Inheritance
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####################################################
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# Another class definition
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# bat.py
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class Bat:
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species = 'Baty'
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species = "Baty"
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def __init__(self, can_fly=True):
|
||||
self.fly = can_fly
|
||||
|
||||
# This class also has a say method
|
||||
def say(self, msg):
|
||||
msg = '... ... ...'
|
||||
msg = "... ... ..."
|
||||
return msg
|
||||
|
||||
# And its own method as well
|
||||
def sonar(self):
|
||||
return '))) ... ((('
|
||||
return "))) ... ((("
|
||||
|
||||
if __name__ == '__main__':
|
||||
|
||||
if __name__ == "__main__":
|
||||
b = Bat()
|
||||
print(b.say('hello'))
|
||||
print(b.say("hello"))
|
||||
print(b.fly)
|
||||
|
||||
|
||||
@ -959,44 +960,43 @@ class Batman(Superhero, Bat):
|
||||
# So instead we explicitly call __init__ for all ancestors.
|
||||
# The use of *args and **kwargs allows for a clean way to pass
|
||||
# arguments, with each parent "peeling a layer of the onion".
|
||||
Superhero.__init__(self, 'anonymous', movie=True,
|
||||
superpowers=['Wealthy'], *args, **kwargs)
|
||||
Superhero.__init__(self, "anonymous", movie=True,
|
||||
superpowers=["Wealthy"], *args, **kwargs)
|
||||
Bat.__init__(self, *args, can_fly=False, **kwargs)
|
||||
# override the value for the name attribute
|
||||
self.name = 'Sad Affleck'
|
||||
self.name = "Sad Affleck"
|
||||
|
||||
def sing(self):
|
||||
return 'nan nan nan nan nan batman!'
|
||||
return "nan nan nan nan nan batman!"
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
if __name__ == "__main__":
|
||||
sup = Batman()
|
||||
|
||||
# The Method Resolution Order
|
||||
print(Batman.__mro__) # => (<class '__main__.Batman'>,
|
||||
# => <class 'superhero.Superhero'>,
|
||||
# => <class 'human.Human'>,
|
||||
# => <class 'bat.Bat'>, <class 'object'>)
|
||||
print(Batman.__mro__) # => (<class '__main__.Batman'>,
|
||||
# => <class 'superhero.Superhero'>,
|
||||
# => <class 'human.Human'>,
|
||||
# => <class 'bat.Bat'>, <class 'object'>)
|
||||
|
||||
# Calls parent method but uses its own class attribute
|
||||
print(sup.get_species()) # => Superhuman
|
||||
print(sup.get_species()) # => Superhuman
|
||||
|
||||
# Calls overridden method
|
||||
print(sup.sing()) # => nan nan nan nan nan batman!
|
||||
print(sup.sing()) # => nan nan nan nan nan batman!
|
||||
|
||||
# Calls method from Human, because inheritance order matters
|
||||
sup.say('I agree') # => Sad Affleck: I agree
|
||||
sup.say("I agree") # => Sad Affleck: I agree
|
||||
|
||||
# Call method that exists only in 2nd ancestor
|
||||
print(sup.sonar()) # => ))) ... (((
|
||||
print(sup.sonar()) # => ))) ... (((
|
||||
|
||||
# Inherited class attribute
|
||||
sup.age = 100
|
||||
print(sup.age) # => 100
|
||||
print(sup.age) # => 100
|
||||
|
||||
# Inherited attribute from 2nd ancestor whose default value was overridden.
|
||||
print('Can I fly? ' + str(sup.fly)) # => Can I fly? False
|
||||
|
||||
print("Can I fly? " + str(sup.fly)) # => Can I fly? False
|
||||
|
||||
|
||||
####################################################
|
||||
@ -1052,15 +1052,15 @@ def my_function(x,y): # def my_function(x,y):
|
||||
# When function definitions are long, it can be hard to parse the non-decorated
|
||||
# assignment at the end of the definition.
|
||||
|
||||
my_function(1,2) # => "Entering function my_function"
|
||||
# => "3"
|
||||
# => "Exiting function my_function"
|
||||
my_function(1,2) # => "Entering function my_function"
|
||||
# => "3"
|
||||
# => "Exiting function my_function"
|
||||
|
||||
# But there's a problem.
|
||||
# What happens if we try to get some information about my_function?
|
||||
|
||||
print(my_function.__name__) # => 'wrapper'
|
||||
print(my_function.__code__.co_argcount) # => 0. The argcount is 0 because both arguments in wrapper()'s signature are optional.
|
||||
print(my_function.__name__) # => 'wrapper'
|
||||
print(my_function.__code__.co_argcount) # => 0. The argcount is 0 because both arguments in wrapper()'s signature are optional.
|
||||
|
||||
# Because our decorator is equivalent to my_function = log_function(my_function)
|
||||
# we've replaced information about my_function with information from wrapper
|
||||
@ -1070,8 +1070,8 @@ print(my_function.__code__.co_argcount) # => 0. The argcount is 0 because both a
|
||||
from functools import wraps
|
||||
|
||||
def log_function(func):
|
||||
@wraps(func) # this ensures docstring, function name, arguments list, etc. are all copied
|
||||
# to the wrapped function - instead of being replaced with wrapper's info
|
||||
@wraps(func) # this ensures docstring, function name, arguments list, etc. are all copied
|
||||
# to the wrapped function - instead of being replaced with wrapper's info
|
||||
def wrapper(*args, **kwargs):
|
||||
print("Entering function", func.__name__)
|
||||
result = func(*args, **kwargs)
|
||||
@ -1079,31 +1079,28 @@ def log_function(func):
|
||||
return result
|
||||
return wrapper
|
||||
|
||||
@log_function
|
||||
def my_function(x,y):
|
||||
return x+y
|
||||
|
||||
my_function(1,2) # => "Entering function my_function"
|
||||
# => "3"
|
||||
# => "Exiting function my_function"
|
||||
@log_function
|
||||
def my_function(x,y):
|
||||
return x+y
|
||||
|
||||
print(my_function.__name__) # => 'my_function'
|
||||
print(my_function.__code__.co_argcount) # => 2
|
||||
my_function(1,2) # => "Entering function my_function"
|
||||
# => "3"
|
||||
# => "Exiting function my_function"
|
||||
|
||||
print(my_function.__name__) # => 'my_function'
|
||||
print(my_function.__code__.co_argcount) # => 2
|
||||
```
|
||||
|
||||
### Free Online
|
||||
|
||||
* [Automate the Boring Stuff with Python](https://automatetheboringstuff.com)
|
||||
* [The Official Docs](https://docs.python.org/3/)
|
||||
* [Hitchhiker's Guide to Python](https://docs.python-guide.org/en/latest/)
|
||||
* [Hitchhiker's Guide to Python](https://docs.python-guide.org/)
|
||||
* [Python Course](https://www.python-course.eu)
|
||||
* [Free Interactive Python Course](http://www.Kikodo.io)
|
||||
* [First Steps With Python](https://realpython.com/learn/python-first-steps/)
|
||||
* [A curated list of awesome Python frameworks, libraries and software](https://github.com/vinta/awesome-python)
|
||||
* [30 Python Language Features and Tricks You May Not Know About](https://sahandsaba.com/thirty-python-language-features-and-tricks-you-may-not-know.html)
|
||||
* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
|
||||
* [Official Style Guide for Python](https://peps.python.org/pep-0008/)
|
||||
* [Python 3 Computer Science Circles](https://cscircles.cemc.uwaterloo.ca/)
|
||||
* [Dive Into Python 3](https://www.diveintopython3.net/index.html)
|
||||
* [A Crash Course in Python for Scientists](https://nbviewer.jupyter.org/gist/anonymous/5924718)
|
||||
* [Dive Into Python 3](https://www.diveintopython3.net/)
|
||||
* [Python Tutorial for Intermediates](https://pythonbasics.org/)
|
||||
* [Build a Desktop App with Python](https://pythonpyqt.com/)
|
||||
|
@ -11,11 +11,11 @@ filename: learnpython-ru.py
|
||||
---
|
||||
|
||||
Язык Python был создан Гвидо ван Россумом в начале 90-х. Сейчас это один из
|
||||
самых популярных языков. Я влюбился в Python за понятный и доходчивый синтаксис — это
|
||||
самых популярных языков. Я влюбился в Python за понятный и доходчивый синтаксис — это
|
||||
почти что исполняемый псевдокод.
|
||||
|
||||
Замечание: Эта статья относится только к Python 3.
|
||||
Если вы хотите изучить Python 2.7, обратитесь к [другой статье](https://learnxinyminutes.com/docs/ru-ru/pythonlegacy-ru/).
|
||||
Если вы хотите изучить Python 2.7, обратитесь к [другой статье](/docs/ru-ru/pythonlegacy-ru/).
|
||||
|
||||
```python
|
||||
# Однострочные комментарии начинаются с символа решётки.
|
||||
@ -40,12 +40,12 @@ filename: learnpython-ru.py
|
||||
|
||||
# Результат целочисленного деления округляется в меньшую сторону
|
||||
# как для положительных, так и для отрицательных чисел.
|
||||
5 // 3 # => 1
|
||||
-5 // 3 # => -2
|
||||
5.0 // 3.0 # => 1.0 # работает и для чисел с плавающей запятой
|
||||
-5.0 // 3.0 # => -2.0
|
||||
5 // 3 # => 1
|
||||
-5 // 3 # => -2
|
||||
5.0 // 3.0 # => 1.0 # работает и для чисел с плавающей запятой
|
||||
-5.0 // 3.0 # => -2.0
|
||||
|
||||
# # Результат деления возвращает число с плавающей запятой
|
||||
# Результат деления возвращает число с плавающей запятой
|
||||
10.0 / 3 # => 3.3333333333333335
|
||||
|
||||
# Остаток от деления
|
||||
@ -125,7 +125,7 @@ b == a # => True, Объекты a и b равны
|
||||
"Это строка."
|
||||
'Это тоже строка.'
|
||||
|
||||
# И строки тоже могут складываться! Хотя лучше не злоупотребляйте этим.
|
||||
# И строки тоже могут складываться!
|
||||
"Привет " + "мир!" # => "Привет мир!"
|
||||
|
||||
# Строки (но не переменные) могут быть объединены без использования '+'
|
||||
@ -139,9 +139,9 @@ len("Это строка") # => 10
|
||||
|
||||
# Вы также можете форматировать, используя f-строки (в Python 3.6+)
|
||||
name = "Рейко"
|
||||
f"Она сказала, что ее зовут {name}." # => "Она сказала, что ее зовут Рейко"
|
||||
f"Она сказала, что ее зовут {name}." # => "Она сказала, что ее зовут Рейко"
|
||||
# Вы можете поместить любой оператор Python в фигурные скобки, и он будет выведен в строке.
|
||||
f"{name} состоит из {len(name)} символов." # => "Рэйко состоит из 5 символов."
|
||||
f"{name} состоит из {len(name)} символов." # => "Рэйко состоит из 5 символов."
|
||||
|
||||
|
||||
# None является объектом
|
||||
@ -168,8 +168,8 @@ bool(()) # => False
|
||||
# В Python есть функция Print
|
||||
print("Я Python. Приятно познакомиться!") # => Я Python. Приятно познакомиться!
|
||||
|
||||
# По умолчанию функция, print() также выводит новую строку в конце.
|
||||
# Используйте необязательный аргумент end, чтобы изменить последнюю строку.
|
||||
# По умолчанию, функция print() также выводит новую строку в конце.
|
||||
# Используйте необязательный аргумент end, чтобы изменить конец последней строки.
|
||||
print("Привет мир", end="!") # => Привет мир!
|
||||
|
||||
# Простой способ получить входные данные из консоли
|
||||
@ -245,7 +245,7 @@ li.index(4) # Выбрасывает ошибку ValueError поскольку
|
||||
li + other_li # => [1, 2, 3, 4, 5, 6]
|
||||
|
||||
# Объединять списки можно методом extend()
|
||||
li.extend(other_li) # Теперь li содержит [1, 2, 3, 4, 5, 6]
|
||||
li.extend(other_li) # Теперь li содержит [1, 2, 3, 4, 5, 6]
|
||||
|
||||
# Проверить элемент на наличие в списке можно оператором in
|
||||
1 in li # => True
|
||||
@ -273,7 +273,7 @@ tup[:2] # => (1, 2)
|
||||
# Вы можете распаковывать кортежи (или списки) в переменные
|
||||
a, b, c = (1, 2, 3) # a == 1, b == 2 и c == 3
|
||||
# Вы также можете сделать расширенную распаковку
|
||||
a, *b, c = (1, 2, 3, 4) # a теперь 1, b теперь [2, 3] и c теперь 4
|
||||
a, *b, c = (1, 2, 3, 4) # a теперь 1, b теперь [2, 3] и c теперь 4
|
||||
# Кортежи создаются по умолчанию, если опущены скобки
|
||||
d, e, f = 4, 5, 6 # кортеж 4, 5, 6 распаковывается в переменные d, e и f
|
||||
# соответственно, d = 4, e = 5 и f = 6
|
||||
@ -496,19 +496,19 @@ with open("myfile.txt") as f:
|
||||
# Запись в файл
|
||||
contents = {"aa": 12, "bb": 21}
|
||||
with open("myfile1.txt", "w+") as file:
|
||||
file.write(str(contents)) # Записывает строку в файл
|
||||
file.write(str(contents)) # Записывает строку в файл
|
||||
|
||||
with open("myfile2.txt", "w+") as file:
|
||||
file.write(json.dumps(contents)) # Записывает объект в файл
|
||||
file.write(json.dumps(contents)) # Записывает объект в файл
|
||||
|
||||
# Чтение из файла
|
||||
with open('myfile1.txt', "r+") as file:
|
||||
contents = file.read() # Читает строку из файла
|
||||
print(contents) # => '{"aa": 12, "bb": 21}'
|
||||
with open("myfile1.txt", "r+") as file:
|
||||
contents = file.read() # Читает строку из файла
|
||||
print(contents) # => '{"aa": 12, "bb": 21}'
|
||||
|
||||
with open('myfile2.txt', "r") as file:
|
||||
contents = json.load(file) # Читает объект json из файла
|
||||
print(contents) # => {"aa": 12, "bb": 21}
|
||||
with open("myfile2.txt", "r") as file:
|
||||
contents = json.load(file) # Читает объект json из файла
|
||||
print(contents) # => {"aa": 12, "bb": 21}
|
||||
|
||||
|
||||
# Python предоставляет фундаментальную абстракцию,
|
||||
@ -969,7 +969,7 @@ if __name__ == '__main__':
|
||||
|
||||
# Унаследованный атрибут от второго родителя,
|
||||
# значение по умолчанию которого было переопределено.
|
||||
print('Могу ли я летать? ' + str(sup.fly)) # => Могу ли я летать? False
|
||||
print('Могу ли я летать? ' + str(sup.fly)) # => Могу ли я летать? False
|
||||
|
||||
|
||||
####################################################
|
||||
@ -1034,16 +1034,13 @@ print(say(say_please=True)) # Вы не купите мне пива? Пожа
|
||||
### Бесплатные онлайн-материалы
|
||||
|
||||
* [Automate the Boring Stuff with Python](https://automatetheboringstuff.com)
|
||||
* [Ideas for Python Projects](http://pythonpracticeprojects.com)
|
||||
* [Официальная документация](http://docs.python.org/3/)
|
||||
* [Hitchhiker's Guide to Python](http://docs.python-guide.org/en/latest/)
|
||||
* [Hitchhiker's Guide to Python](http://docs.python-guide.org/)
|
||||
* [Python Course](http://www.python-course.eu/index.php)
|
||||
* [First Steps With Python](https://realpython.com/learn/python-first-steps/)
|
||||
* [A curated list of awesome Python frameworks, libraries and software](https://github.com/vinta/awesome-python)
|
||||
* [30 Python Language Features and Tricks You May Not Know About](http://sahandsaba.com/thirty-python-language-features-and-tricks-you-may-not-know.html)
|
||||
* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
|
||||
* [Official Style Guide for Python](https://peps.python.org/pep-0008/)
|
||||
* [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/)
|
||||
* [Dive Into Python 3](http://www.diveintopython3.net/index.html)
|
||||
* [A Crash Course in Python for Scientists](http://nbviewer.jupyter.org/gist/anonymous/5924718)
|
||||
* [Python Tutorial for Intermediates](https://pythonbasics.org/)
|
||||
* [Build a Desktop App with Python](https://pythonpyqt.com/)
|
||||
|
@ -622,13 +622,11 @@ print(soyle(lutfen_soyle=True)) # Ban soda alır mısın? Lutfen! Artık dayana
|
||||
* [Dive Into Python](http://www.diveintopython.net/)
|
||||
* [Ideas for Python Projects](http://pythonpracticeprojects.com)
|
||||
* [The Official Docs](http://docs.python.org/3/)
|
||||
* [Hitchhiker's Guide to Python](http://docs.python-guide.org/en/latest/)
|
||||
* [A Crash Course in Python for Scientists](http://nbviewer.ipython.org/5920182)
|
||||
* [Hitchhiker's Guide to Python](http://docs.python-guide.org/)
|
||||
* [Python Course](http://www.python-course.eu/index.php)
|
||||
* [First Steps With Python](https://realpython.com/learn/python-first-steps/)
|
||||
* [A curated list of awesome Python frameworks, libraries and software](https://github.com/vinta/awesome-python)
|
||||
* [30 Python Language Features and Tricks You May Not Know About](http://sahandsaba.com/thirty-python-language-features-and-tricks-you-may-not-know.html)
|
||||
* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
|
||||
* [Official Style Guide for Python](https://peps.python.org/pep-0008/)
|
||||
* [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/)
|
||||
|
||||
### Kitaplar
|
||||
|
@ -900,12 +900,10 @@ print(say(say_please=True)) # Mua bia cho tui nhé? Làm ơn! Tui rất nghèo
|
||||
* [Automate the Boring Stuff with Python](https://automatetheboringstuff.com)
|
||||
* [Ideas for Python Projects](http://pythonpracticeprojects.com)
|
||||
* [The Official Docs](http://docs.python.org/3/)
|
||||
* [Hitchhiker's Guide to Python](http://docs.python-guide.org/en/latest/)
|
||||
* [Hitchhiker's Guide to Python](http://docs.python-guide.org/)
|
||||
* [Python Course](http://www.python-course.eu/index.php)
|
||||
* [First Steps With Python](https://realpython.com/learn/python-first-steps/)
|
||||
* [A curated list of awesome Python frameworks, libraries and software](https://github.com/vinta/awesome-python)
|
||||
* [30 Python Language Features and Tricks You May Not Know About](http://sahandsaba.com/thirty-python-language-features-and-tricks-you-may-not-know.html)
|
||||
* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
|
||||
* [Official Style Guide for Python](https://peps.python.org/pep-0008/)
|
||||
* [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/)
|
||||
* [Dive Into Python 3](http://www.diveintopython3.net/index.html)
|
||||
* [A Crash Course in Python for Scientists](http://nbviewer.jupyter.org/gist/anonymous/5924718)
|
||||
|
@ -9,7 +9,6 @@ translators:
|
||||
- ["Maple", "https://github.com/mapleincode"]
|
||||
filename: learnpython-cn.py
|
||||
lang: zh-cn
|
||||
|
||||
---
|
||||
|
||||
Python 是由吉多·范罗苏姆(Guido Van Rossum)在 90 年代早期设计。
|
||||
@ -1015,8 +1014,6 @@ print(say()) # Can you buy me a beer?
|
||||
print(say(say_please=True)) # Can you buy me a beer? Please! I am poor :(
|
||||
```
|
||||
|
||||
|
||||
|
||||
## 想继续学吗?
|
||||
|
||||
### 在线免费材料(英文)
|
||||
@ -1024,16 +1021,13 @@ print(say(say_please=True)) # Can you buy me a beer? Please! I am poor :(
|
||||
* [Automate the Boring Stuff with Python](https://automatetheboringstuff.com/)
|
||||
* [Ideas for Python Projects](http://pythonpracticeprojects.com/)
|
||||
* [The Official Docs](https://docs.python.org/3/)
|
||||
* [Hitchhiker’s Guide to Python](https://docs.python-guide.org/en/latest/)
|
||||
* [Hitchhiker’s Guide to Python](https://docs.python-guide.org/)
|
||||
* [Python Course](https://www.python-course.eu/)
|
||||
* [Free Interactive Python Course](http://www.kikodo.io/)
|
||||
* [First Steps With Python](https://realpython.com/learn/python-first-steps/)
|
||||
* [A curated list of awesome Python frameworks, libraries and software](https://github.com/vinta/awesome-python)
|
||||
* [30 Python Language Features and Tricks You May Not Know About](https://sahandsaba.com/thirty-python-language-features-and-tricks-you-may-not-know.html)
|
||||
* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
|
||||
* [Official Style Guide for Python](https://peps.python.org/pep-0008/)
|
||||
* [Python 3 Computer Science Circles](https://cscircles.cemc.uwaterloo.ca/)
|
||||
* [Dive Into Python 3](https://www.diveintopython3.net/index.html)
|
||||
* [A Crash Course in Python for Scientists](https://nbviewer.jupyter.org/gist/anonymous/5924718)
|
||||
* [Dive Into Python 3](https://www.diveintopython3.net/)
|
||||
* [Python Tutorial for Intermediates](https://pythonbasics.org/)
|
||||
* [Build a Desktop App with Python](https://pythonpyqt.com/)
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user