[python/*] proofread en and ru and all links

This commit is contained in:
Boris Verkhovskiy 2024-04-26 01:48:54 -07:00
parent cbb2eb4f00
commit 1924d58159
13 changed files with 131 additions and 161 deletions

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@ -1003,14 +1003,11 @@ print(say(say_please=True)) # Can you buy me a beer? Please! I am poor :(
### مجانا عبر الانترنت ### مجانا عبر الانترنت
* [أتمتتة المهمات المُملة عبر بايثون](https://automatetheboringstuff.com) * [أتمتتة المهمات المُملة عبر بايثون](https://automatetheboringstuff.com)
* [أفكار لمشروعات بلغة البايثون](http://pythonpracticeprojects.com)
* [التوثيقات الرسمية](http://docs.python.org/3/) * [التوثيقات الرسمية](http://docs.python.org/3/)
* [دليل المُسافر لبايثون](http://docs.python-guide.org/en/latest/) * [دليل المُسافر لبايثون](http://docs.python-guide.org/en/latest/)
* [دورة بايثون](http://www.python-course.eu/index.php) * [دورة بايثون](http://www.python-course.eu/index.php)
* [أولى الخطوات مع بايثون](https://realpython.com/learn/python-first-steps/) * [أولى الخطوات مع بايثون](https://realpython.com/learn/python-first-steps/)
* [قائمة مُختارة من إطارات عمل بايثون الرائعة, المكتبات والبرمجيات](https://github.com/vinta/awesome-python) * [قائمة مُختارة من إطارات عمل بايثون الرائعة, المكتبات والبرمجيات](https://github.com/vinta/awesome-python)
* [ثلاثون خاصية وخدعة للغة البايثون ربما لم تعرف بها](http://sahandsaba.com/thirty-python-language-features-and-tricks-you-may-not-know.html) * [الدليل الرسمي لنمط البايثون](https://peps.python.org/pep-0008/)
* [الدليل الرسمي لنمط البايثون](https://www.python.org/dev/peps/pep-0008/)
* [بايثون 3 دوائر علوم الحاسب](http://cscircles.cemc.uwaterloo.ca/) * [بايثون 3 دوائر علوم الحاسب](http://cscircles.cemc.uwaterloo.ca/)
* [غُص في بايثون 3](http://www.diveintopython3.net/index.html) * [غُص في بايثون 3](http://www.diveintopython3.net/index.html)
* [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 :(
* [Dive Into Python](http://www.diveintopython.net/) * [Dive Into Python](http://www.diveintopython.net/)
* [Ideas for Python Projects](http://pythonpracticeprojects.com) * [Ideas for Python Projects](http://pythonpracticeprojects.com)
* [The Official Docs](http://docs.python.org/3/) * [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/)
* [A Crash Course in Python for Scientists](http://nbviewer.ipython.org/5920182)
* [Python Course](http://www.python-course.eu/index.php) * [Python Course](http://www.python-course.eu/index.php)
* [First Steps With Python](https://realpython.com/learn/python-first-steps/) * [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 :(
* [Automate the Boring Stuff with Python](https://automatetheboringstuff.com) * [Automate the Boring Stuff with Python](https://automatetheboringstuff.com)
* [Ideas for Python Projects](http://pythonpracticeprojects.com) * [Ideas for Python Projects](http://pythonpracticeprojects.com)
* [The Official Docs](http://docs.python.org/3/) * [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) * [Python Course](http://www.python-course.eu/index.php)
* [First Steps With Python](https://realpython.com/learn/python-first-steps/) * [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) * [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://peps.python.org/pep-0008/)
* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
* [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/) * [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/)
* [Dive Into Python 3](http://www.diveintopython3.net/index.html) * [Dive Into Python 3](http://www.diveintopython3.net/index.html)
* [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
* [Dive Into Python](http://www.diveintopython.net/) * [Dive Into Python](http://www.diveintopython.net/)
* [Ideas for Python Projects](http://pythonpracticeprojects.com) * [Ideas for Python Projects](http://pythonpracticeprojects.com)
* [The Official Docs](http://docs.python.org/3/) * [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 Module of the Week](http://pymotw.com/3/) * [Python Module of the Week](http://pymotw.com/3/)
* [A Crash Course in Python for Scientists](http://nbviewer.ipython.org/5920182)
### Encuadernados ### 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
* [Dive Into Python](http://www.diveintopython.net/) * [Dive Into Python](http://www.diveintopython.net/)
* [Ideas for Python Projects](http://pythonpracticeprojects.com) * [Ideas for Python Projects](http://pythonpracticeprojects.com)
* [The Official Docs](http://docs.python.org/3/) * [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/)
* [A Crash Course in Python for Scientists](http://nbviewer.ipython.org/5920182)
* [Python Course](http://www.python-course.eu/index.php) * [Python Course](http://www.python-course.eu/index.php)
* [First Steps With Python](https://realpython.com/learn/python-first-steps/) * [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
* [Automate the Boring Stuff with Python](https://automatetheboringstuff.com) * [Automate the Boring Stuff with Python](https://automatetheboringstuff.com)
* [Ideas for Python Projects](http://pythonpracticeprojects.com) * [Ideas for Python Projects](http://pythonpracticeprojects.com)
* [The Official Docs](http://docs.python.org/3/) * [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) * [Python Course](http://www.python-course.eu/index.php)
* [First Steps With Python](https://realpython.com/learn/python-first-steps/) * [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) * [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://peps.python.org/pep-0008/)
* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
* [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/) * [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/)
* [Dive Into Python 3](http://www.diveintopython3.net/index.html) * [Dive Into Python 3](http://www.diveintopython3.net/index.html)
* [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 :(
* [Automate the Boring Stuff with Python](https://automatetheboringstuff.com) * [Automate the Boring Stuff with Python](https://automatetheboringstuff.com)
* [Ideas for Python Projects](http://pythonpracticeprojects.com) * [Ideas for Python Projects](http://pythonpracticeprojects.com)
* [The Official Docs](http://docs.python.org/3/) * [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) * [Python Course](http://www.python-course.eu/index.php)
* [First Steps With Python](https://realpython.com/learn/python-first-steps/) * [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) * [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://peps.python.org/pep-0008/)
* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
* [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/) * [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/)
* [Dive Into Python 3](http://www.diveintopython3.net/index.html) * [Dive Into Python 3](http://www.diveintopython3.net/index.html)
* [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
* [Dive Into Python](http://www.diveintopython.net/) * [Dive Into Python](http://www.diveintopython.net/)
* [Ideas for Python Projects](http://pythonpracticeprojects.com) * [Ideas for Python Projects](http://pythonpracticeprojects.com)
* [The Official Docs](http://docs.python.org/3/) * [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/)
* [A Crash Course in Python for Scientists](http://nbviewer.ipython.org/5920182)
* [Python Course](http://www.python-course.eu/index.php) * [Python Course](http://www.python-course.eu/index.php)
* [First Steps With Python](https://realpython.com/learn/python-first-steps/) * [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) * [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://peps.python.org/pep-0008/)
* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
### Dead Tree ### Dead Tree

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@ -42,7 +42,7 @@ syntactic clarity. It's basically executable pseudocode.
# Integer division rounds down for both positive and negative numbers. # Integer division rounds down for both positive and negative numbers.
5 // 3 # => 1 5 // 3 # => 1
-5 // 3 # => -2 -5 // 3 # => -2
5.0 // 3.0 # => 1.0 # works on floats too 5.0 // 3.0 # => 1.0 # works on floats too
-5.0 // 3.0 # => -2.0 -5.0 // 3.0 # => -2.0
# The result of division is always a float # The result of division is always a float
@ -74,36 +74,36 @@ True and False # => False
False or True # => True False or True # => True
# True and False are actually 1 and 0 but with different keywords # True and False are actually 1 and 0 but with different keywords
True + True # => 2 True + True # => 2
True * 8 # => 8 True * 8 # => 8
False - 5 # => -5 False - 5 # => -5
# Comparison operators look at the numerical value of True and False # Comparison operators look at the numerical value of True and False
0 == False # => True 0 == False # => True
2 > True # => True 2 > True # => True
2 == True # => False 2 == True # => False
-5 != False # => True -5 != False # => True
# None, 0, and empty strings/lists/dicts/tuples/sets all evaluate to False. # None, 0, and empty strings/lists/dicts/tuples/sets all evaluate to False.
# All other values are True # All other values are True
bool(0) # => False bool(0) # => False
bool("") # => False bool("") # => False
bool([]) # => False bool([]) # => False
bool({}) # => False bool({}) # => False
bool(()) # => False bool(()) # => False
bool(set()) # => False bool(set()) # => False
bool(4) # => True bool(4) # => True
bool(-6) # => True bool(-6) # => True
# Using boolean logical operators on ints casts them to booleans for evaluation, # Using boolean logical operators on ints casts them to booleans for evaluation,
# but their non-cast value is returned. Don't mix up with bool(ints) and bitwise # but their non-cast value is returned. Don't mix up with bool(ints) and bitwise
# and/or (&,|) # and/or (&,|)
bool(0) # => False bool(0) # => False
bool(2) # => True bool(2) # => True
0 and 2 # => 0 0 and 2 # => 0
bool(-5) # => True bool(-5) # => True
bool(2) # => True bool(2) # => True
-5 or 0 # => -5 -5 or 0 # => -5
# Equality is == # Equality is ==
1 == 1 # => True 1 == 1 # => True
@ -153,9 +153,9 @@ len("This is a string") # => 16
# Since Python 3.6, you can use f-strings or formatted string literals. # Since Python 3.6, you can use f-strings or formatted string literals.
name = "Reiko" name = "Reiko"
f"She said her name is {name}." # => "She said her name is Reiko" f"She said her name is {name}." # => "She said her name is Reiko"
# Any valid Python expression inside these braces is returned to the string. # Any valid Python expression inside these braces is returned to the string.
f"{name} is {len(name)} characters long." # => "Reiko is 5 characters long." f"{name} is {len(name)} characters long." # => "Reiko is 5 characters long."
# None is an object # None is an object
None # => None None # => None
@ -177,7 +177,7 @@ print("I'm Python. Nice to meet you!") # => I'm Python. Nice to meet you!
print("Hello, World", end="!") # => Hello, World! print("Hello, World", end="!") # => Hello, World!
# Simple way to get input data from console # Simple way to get input data from console
input_string_var = input("Enter some data: ") # Returns the data as a string input_string_var = input("Enter some data: ") # Returns the data as a string
# There are no declarations, only assignments. # There are no declarations, only assignments.
# Convention in naming variables is snake_case style # Convention in naming variables is snake_case style
@ -340,9 +340,8 @@ filled_dict["four"] = 4 # another way to add to dict
del filled_dict["one"] # Removes the key "one" from filled dict del filled_dict["one"] # Removes the key "one" from filled dict
# From Python 3.5 you can also use the additional unpacking options # From Python 3.5 you can also use the additional unpacking options
{'a': 1, **{'b': 2}} # => {'a': 1, 'b': 2} {"a": 1, **{"b": 2}} # => {'a': 1, 'b': 2}
{'a': 1, **{'a': 2}} # => {'a': 2} {"a": 1, **{"a": 2}} # => {'a': 2}
# Sets store ... well sets # Sets store ... well sets
@ -374,10 +373,10 @@ filled_set | other_set # => {1, 2, 3, 4, 5, 6}
{1, 2, 3, 4} ^ {2, 3, 5} # => {1, 4, 5} {1, 2, 3, 4} ^ {2, 3, 5} # => {1, 4, 5}
# Check if set on the left is a superset of set on the right # Check if set on the left is a superset of set on the right
{1, 2} >= {1, 2, 3} # => False {1, 2} >= {1, 2, 3} # => False
# Check if set on the left is a subset of set on the right # Check if set on the left is a subset of set on the right
{1, 2} <= {1, 2, 3} # => True {1, 2} <= {1, 2, 3} # => True
# Check for existence in a set with in # Check for existence in a set with in
2 in filled_set # => True 2 in filled_set # => True
@ -501,15 +500,15 @@ with open("myfile1.txt", "w") as file:
import json import json
with open("myfile2.txt", "w") as file: with open("myfile2.txt", "w") as file:
file.write(json.dumps(contents)) # writes an object to a file file.write(json.dumps(contents)) # writes an object to a file
# Reading from a file # Reading from a file
with open('myfile1.txt', "r") as file: with open("myfile1.txt") as file:
contents = file.read() # reads a string from a file contents = file.read() # reads a string from a file
print(contents) print(contents)
# print: {"aa": 12, "bb": 21} # print: {"aa": 12, "bb": 21}
with open('myfile2.txt', "r") as file: with open("myfile2.txt", "r") as file:
contents = json.load(file) # reads a json object from a file contents = json.load(file) # reads a json object from a file
print(contents) print(contents)
# print: {"aa": 12, "bb": 21} # print: {"aa": 12, "bb": 21}
@ -662,9 +661,9 @@ def create_avg():
return total/count return total/count
return avg return avg
avg = create_avg() avg = create_avg()
avg(3) # => 3.0 avg(3) # => 3.0
avg(5) # (3+5)/2 => 4.0 avg(5) # (3+5)/2 => 4.0
avg(7) # (8+7)/3 => 5.0 avg(7) # (8+7)/3 => 5.0
# There are also anonymous functions # There are also anonymous functions
(lambda x: x > 2)(3) # => True (lambda x: x > 2)(3) # => True
@ -682,7 +681,7 @@ list(filter(lambda x: x > 5, [3, 4, 5, 6, 7])) # => [6, 7]
[x for x in [3, 4, 5, 6, 7] if x > 5] # => [6, 7] [x for x in [3, 4, 5, 6, 7] if x > 5] # => [6, 7]
# You can construct set and dict comprehensions as well. # You can construct set and dict comprehensions as well.
{x for x in 'abcddeef' if x not in 'abc'} # => {'d', 'e', 'f'} {x for x in "abcddeef" if x not in "abc"} # => {'d', 'e', 'f'}
{x: x**2 for x in range(5)} # => {0: 0, 1: 1, 2: 4, 3: 9, 4: 16} {x: x**2 for x in range(5)} # => {0: 0, 1: 1, 2: 4, 3: 9, 4: 16}
@ -744,7 +743,7 @@ class Human:
self.name = name self.name = name
# Initialize property # Initialize property
self._age = 0 # the leading underscore indicates the "age" property is self._age = 0 # the leading underscore indicates the "age" property is
# intended to be used internally # intended to be used internally
# do not rely on this to be enforced: it's a hint to other devs # do not rely on this to be enforced: it's a hint to other devs
@ -754,7 +753,7 @@ class Human:
# Another instance method # Another instance method
def sing(self): def sing(self):
return 'yo... yo... microphone check... one two... one two...' return "yo... yo... microphone check... one two... one two..."
# A class method is shared among all instances # A class method is shared among all instances
# They are called with the calling class as the first argument # They are called with the calling class as the first argument
@ -788,7 +787,7 @@ class Human:
# When a Python interpreter reads a source file it executes all its code. # When a Python interpreter reads a source file it executes all its code.
# This __name__ check makes sure this code block is only executed when this # This __name__ check makes sure this code block is only executed when this
# module is the main program. # module is the main program.
if __name__ == '__main__': if __name__ == "__main__":
# Instantiate a class # Instantiate a class
i = Human(name="Ian") i = Human(name="Ian")
i.say("hi") # "Ian: hi" i.say("hi") # "Ian: hi"
@ -849,7 +848,7 @@ class Superhero(Human):
# pass # pass
# Child classes can override their parents' attributes # Child classes can override their parents' attributes
species = 'Superhuman' species = "Superhuman"
# Children automatically inherit their parent class's constructor including # Children automatically inherit their parent class's constructor including
# its arguments, but can also define additional arguments or definitions # its arguments, but can also define additional arguments or definitions
@ -872,7 +871,7 @@ class Superhero(Human):
# override the sing method # override the sing method
def sing(self): def sing(self):
return 'Dun, dun, DUN!' return "Dun, dun, DUN!"
# add an additional instance method # add an additional instance method
def boast(self): def boast(self):
@ -880,14 +879,14 @@ class Superhero(Human):
print("I wield the power of {pow}!".format(pow=power)) print("I wield the power of {pow}!".format(pow=power))
if __name__ == '__main__': if __name__ == "__main__":
sup = Superhero(name="Tick") sup = Superhero(name="Tick")
# Instance type checks # Instance type checks
if isinstance(sup, Human): if isinstance(sup, Human):
print('I am human') print("I am human")
if type(sup) is Superhero: if type(sup) is Superhero:
print('I am a superhero') print("I am a superhero")
# Get the "Method Resolution Order" used by both getattr() and super() # Get the "Method Resolution Order" used by both getattr() and super()
# (the order in which classes are searched for an attribute or method) # (the order in which classes are searched for an attribute or method)
@ -902,7 +901,7 @@ if __name__ == '__main__':
print(sup.sing()) # => Dun, dun, DUN! print(sup.sing()) # => Dun, dun, DUN!
# Calls method from Human # Calls method from Human
sup.say('Spoon') # => Tick: Spoon sup.say("Spoon") # => Tick: Spoon
# Call method that exists only in Superhero # Call method that exists only in Superhero
sup.boast() # => I wield the power of super strength! sup.boast() # => I wield the power of super strength!
@ -913,33 +912,35 @@ if __name__ == '__main__':
print(sup.age) # => 31 print(sup.age) # => 31
# Attribute that only exists within Superhero # Attribute that only exists within Superhero
print('Am I Oscar eligible? ' + str(sup.movie)) print("Am I Oscar eligible? " + str(sup.movie))
#################################################### ####################################################
## 6.2 Multiple Inheritance ## 6.2 Multiple Inheritance
#################################################### ####################################################
# Another class definition # Another class definition
# bat.py # bat.py
class Bat: class Bat:
species = 'Baty' species = "Baty"
def __init__(self, can_fly=True): def __init__(self, can_fly=True):
self.fly = can_fly self.fly = can_fly
# This class also has a say method # This class also has a say method
def say(self, msg): def say(self, msg):
msg = '... ... ...' msg = "... ... ..."
return msg return msg
# And its own method as well # And its own method as well
def sonar(self): def sonar(self):
return '))) ... (((' return "))) ... ((("
if __name__ == '__main__':
if __name__ == "__main__":
b = Bat() b = Bat()
print(b.say('hello')) print(b.say("hello"))
print(b.fly) print(b.fly)
@ -959,44 +960,43 @@ class Batman(Superhero, Bat):
# So instead we explicitly call __init__ for all ancestors. # So instead we explicitly call __init__ for all ancestors.
# The use of *args and **kwargs allows for a clean way to pass # The use of *args and **kwargs allows for a clean way to pass
# arguments, with each parent "peeling a layer of the onion". # arguments, with each parent "peeling a layer of the onion".
Superhero.__init__(self, 'anonymous', movie=True, Superhero.__init__(self, "anonymous", movie=True,
superpowers=['Wealthy'], *args, **kwargs) superpowers=["Wealthy"], *args, **kwargs)
Bat.__init__(self, *args, can_fly=False, **kwargs) Bat.__init__(self, *args, can_fly=False, **kwargs)
# override the value for the name attribute # override the value for the name attribute
self.name = 'Sad Affleck' self.name = "Sad Affleck"
def sing(self): 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() sup = Batman()
# The Method Resolution Order # The Method Resolution Order
print(Batman.__mro__) # => (<class '__main__.Batman'>, print(Batman.__mro__) # => (<class '__main__.Batman'>,
# => <class 'superhero.Superhero'>, # => <class 'superhero.Superhero'>,
# => <class 'human.Human'>, # => <class 'human.Human'>,
# => <class 'bat.Bat'>, <class 'object'>) # => <class 'bat.Bat'>, <class 'object'>)
# Calls parent method but uses its own class attribute # Calls parent method but uses its own class attribute
print(sup.get_species()) # => Superhuman print(sup.get_species()) # => Superhuman
# Calls overridden method # 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 # 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 # Call method that exists only in 2nd ancestor
print(sup.sonar()) # => ))) ... ((( print(sup.sonar()) # => ))) ... (((
# Inherited class attribute # Inherited class attribute
sup.age = 100 sup.age = 100
print(sup.age) # => 100 print(sup.age) # => 100
# Inherited attribute from 2nd ancestor whose default value was overridden. # 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 # When function definitions are long, it can be hard to parse the non-decorated
# assignment at the end of the definition. # assignment at the end of the definition.
my_function(1,2) # => "Entering function my_function" my_function(1,2) # => "Entering function my_function"
# => "3" # => "3"
# => "Exiting function my_function" # => "Exiting function my_function"
# But there's a problem. # But there's a problem.
# What happens if we try to get some information about my_function? # What happens if we try to get some information about my_function?
print(my_function.__name__) # => 'wrapper' 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.__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) # Because our decorator is equivalent to my_function = log_function(my_function)
# we've replaced information about my_function with information from wrapper # 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 from functools import wraps
def log_function(func): def log_function(func):
@wraps(func) # this ensures docstring, function name, arguments list, etc. are all copied @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 # to the wrapped function - instead of being replaced with wrapper's info
def wrapper(*args, **kwargs): def wrapper(*args, **kwargs):
print("Entering function", func.__name__) print("Entering function", func.__name__)
result = func(*args, **kwargs) result = func(*args, **kwargs)
@ -1079,31 +1079,28 @@ def log_function(func):
return result return result
return wrapper return wrapper
@log_function @log_function
def my_function(x,y): def my_function(x,y):
return x+y return x+y
my_function(1,2) # => "Entering function my_function"
# => "3"
# => "Exiting function my_function"
print(my_function.__name__) # => 'my_function' my_function(1,2) # => "Entering function my_function"
print(my_function.__code__.co_argcount) # => 2 # => "3"
# => "Exiting function my_function"
print(my_function.__name__) # => 'my_function'
print(my_function.__code__.co_argcount) # => 2
``` ```
### Free Online ### Free Online
* [Automate the Boring Stuff with Python](https://automatetheboringstuff.com) * [Automate the Boring Stuff with Python](https://automatetheboringstuff.com)
* [The Official Docs](https://docs.python.org/3/) * [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) * [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/) * [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) * [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://peps.python.org/pep-0008/)
* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
* [Python 3 Computer Science Circles](https://cscircles.cemc.uwaterloo.ca/) * [Python 3 Computer Science Circles](https://cscircles.cemc.uwaterloo.ca/)
* [Dive Into Python 3](https://www.diveintopython3.net/index.html) * [Dive Into Python 3](https://www.diveintopython3.net/)
* [A Crash Course in Python for Scientists](https://nbviewer.jupyter.org/gist/anonymous/5924718)
* [Python Tutorial for Intermediates](https://pythonbasics.org/) * [Python Tutorial for Intermediates](https://pythonbasics.org/)
* [Build a Desktop App with Python](https://pythonpyqt.com/) * [Build a Desktop App with Python](https://pythonpyqt.com/)

View File

@ -11,11 +11,11 @@ filename: learnpython-ru.py
--- ---
Язык Python был создан Гвидо ван Россумом в начале 90-х. Сейчас это один из 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. почти что исполняемый псевдокод.
Замечание: Эта статья относится только к Python 3. 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 ```python
# Однострочные комментарии начинаются с символа решётки. # Однострочные комментарии начинаются с символа решётки.
@ -40,12 +40,12 @@ filename: learnpython-ru.py
# Результат целочисленного деления округляется в меньшую сторону # Результат целочисленного деления округляется в меньшую сторону
# как для положительных, так и для отрицательных чисел. # как для положительных, так и для отрицательных чисел.
5 // 3 # => 1 5 // 3 # => 1
-5 // 3 # => -2 -5 // 3 # => -2
5.0 // 3.0 # => 1.0 # работает и для чисел с плавающей запятой 5.0 // 3.0 # => 1.0 # работает и для чисел с плавающей запятой
-5.0 // 3.0 # => -2.0 -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 10.0 / 3 # => 3.3333333333333335
# Остаток от деления # Остаток от деления
@ -125,7 +125,7 @@ b == a # => True, Объекты a и b равны
"Это строка." "Это строка."
'Это тоже строка.' 'Это тоже строка.'
# И строки тоже могут складываться! Хотя лучше не злоупотребляйте этим. # И строки тоже могут складываться!
"Привет " + "мир!" # => "Привет мир!" "Привет " + "мир!" # => "Привет мир!"
# Строки (но не переменные) могут быть объединены без использования '+' # 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+) # Вы также можете форматировать, используя f-строки (в Python 3.6+)
name = "Рейко" 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. # 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 # None является объектом
@ -168,8 +168,8 @@ bool(()) # => False
# В Python есть функция Print # В Python есть функция Print
print("Я Python. Приятно познакомиться!") # => Я Python. Приятно познакомиться! print("Я Python. Приятно познакомиться!") # => Я Python. Приятно познакомиться!
# По умолчанию функция, print() также выводит новую строку в конце. # По умолчанию, функция print() также выводит новую строку в конце.
# Используйте необязательный аргумент end, чтобы изменить последнюю строку. # Используйте необязательный аргумент end, чтобы изменить конец последней строки.
print("Привет мир", end="!") # => Привет мир! print("Привет мир", end="!") # => Привет мир!
# Простой способ получить входные данные из консоли # 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] li + other_li # => [1, 2, 3, 4, 5, 6]
# Объединять списки можно методом extend() # 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 # Проверить элемент на наличие в списке можно оператором in
1 in li # => True 1 in li # => True
@ -273,7 +273,7 @@ tup[:2] # => (1, 2)
# Вы можете распаковывать кортежи (или списки) в переменные # Вы можете распаковывать кортежи (или списки) в переменные
a, b, c = (1, 2, 3) # a == 1, b == 2 и c == 3 a, b, c = (1, 2, 3) # a == 1, b == 2 и c == 3
# Вы также можете сделать расширенную распаковку # 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 # Кортежи создаются по умолчанию, если опущены скобки
d, e, f = 4, 5, 6 # кортеж 4, 5, 6 распаковывается в переменные d, e и f 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 # соответственно, d = 4, e = 5 и f = 6
@ -496,19 +496,19 @@ with open("myfile.txt") as f:
# Запись в файл # Запись в файл
contents = {"aa": 12, "bb": 21} contents = {"aa": 12, "bb": 21}
with open("myfile1.txt", "w+") as file: 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: 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 # Чтение из файла
with open('myfile1.txt', "r+") as file: with open("myfile1.txt", "r+") as file:
contents = file.read() # Читает строку из файла contents = file.read() # Читает строку из файла
print(contents) # => '{"aa": 12, "bb": 21}' print(contents) # => '{"aa": 12, "bb": 21}'
with open('myfile2.txt', "r") as file: with open("myfile2.txt", "r") as file:
contents = json.load(file) # Читает объект json из файла contents = json.load(file) # Читает объект json из файла
print(contents) # => {"aa": 12, "bb": 21} print(contents) # => {"aa": 12, "bb": 21}
# Python предоставляет фундаментальную абстракцию, # Python предоставляет фундаментальную абстракцию,
@ -969,7 +969,7 @@ if __name__ == '__main__':
# Унаследованный атрибут от второго родителя, # Унаследованный атрибут от второго родителя,
# значение по умолчанию которого было переопределено. # 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 ### Бесплатные онлайн-материалы
* [Automate the Boring Stuff with Python](https://automatetheboringstuff.com) * [Automate the Boring Stuff with Python](https://automatetheboringstuff.com)
* [Ideas for Python Projects](http://pythonpracticeprojects.com)
* [Официальная документация](http://docs.python.org/3/) * [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) * [Python Course](http://www.python-course.eu/index.php)
* [First Steps With Python](https://realpython.com/learn/python-first-steps/) * [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) * [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://peps.python.org/pep-0008/)
* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
* [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/) * [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/)
* [Dive Into Python 3](http://www.diveintopython3.net/index.html) * [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/) * [Python Tutorial for Intermediates](https://pythonbasics.org/)
* [Build a Desktop App with Python](https://pythonpyqt.com/) * [Build a Desktop App with Python](https://pythonpyqt.com/)

View File

@ -622,13 +622,11 @@ print(soyle(lutfen_soyle=True)) # Ban soda alır mısın? Lutfen! Artık dayana
* [Dive Into Python](http://www.diveintopython.net/) * [Dive Into Python](http://www.diveintopython.net/)
* [Ideas for Python Projects](http://pythonpracticeprojects.com) * [Ideas for Python Projects](http://pythonpracticeprojects.com)
* [The Official Docs](http://docs.python.org/3/) * [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/)
* [A Crash Course in Python for Scientists](http://nbviewer.ipython.org/5920182)
* [Python Course](http://www.python-course.eu/index.php) * [Python Course](http://www.python-course.eu/index.php)
* [First Steps With Python](https://realpython.com/learn/python-first-steps/) * [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) * [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://peps.python.org/pep-0008/)
* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
* [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/) * [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/)
### Kitaplar ### Kitaplar

View File

@ -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) * [Automate the Boring Stuff with Python](https://automatetheboringstuff.com)
* [Ideas for Python Projects](http://pythonpracticeprojects.com) * [Ideas for Python Projects](http://pythonpracticeprojects.com)
* [The Official Docs](http://docs.python.org/3/) * [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) * [Python Course](http://www.python-course.eu/index.php)
* [First Steps With Python](https://realpython.com/learn/python-first-steps/) * [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) * [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://peps.python.org/pep-0008/)
* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
* [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/) * [Python 3 Computer Science Circles](http://cscircles.cemc.uwaterloo.ca/)
* [Dive Into Python 3](http://www.diveintopython3.net/index.html) * [Dive Into Python 3](http://www.diveintopython3.net/index.html)
* [A Crash Course in Python for Scientists](http://nbviewer.jupyter.org/gist/anonymous/5924718)

View File

@ -9,7 +9,6 @@ translators:
- ["Maple", "https://github.com/mapleincode"] - ["Maple", "https://github.com/mapleincode"]
filename: learnpython-cn.py filename: learnpython-cn.py
lang: zh-cn lang: zh-cn
--- ---
Python 是由吉多·范罗苏姆(Guido Van Rossum)在 90 年代早期设计。 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 :( print(say(say_please=True)) # Can you buy me a beer? Please! I am poor :(
``` ```
## 想继续学吗? ## 想继续学吗?
### 在线免费材料(英文) ### 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/) * [Automate the Boring Stuff with Python](https://automatetheboringstuff.com/)
* [Ideas for Python Projects](http://pythonpracticeprojects.com/) * [Ideas for Python Projects](http://pythonpracticeprojects.com/)
* [The Official Docs](https://docs.python.org/3/) * [The Official Docs](https://docs.python.org/3/)
* [Hitchhikers Guide to Python](https://docs.python-guide.org/en/latest/) * [Hitchhikers Guide to Python](https://docs.python-guide.org/)
* [Python Course](https://www.python-course.eu/) * [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/) * [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) * [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://peps.python.org/pep-0008/)
* [Official Style Guide for Python](https://www.python.org/dev/peps/pep-0008/)
* [Python 3 Computer Science Circles](https://cscircles.cemc.uwaterloo.ca/) * [Python 3 Computer Science Circles](https://cscircles.cemc.uwaterloo.ca/)
* [Dive Into Python 3](https://www.diveintopython3.net/index.html) * [Dive Into Python 3](https://www.diveintopython3.net/)
* [A Crash Course in Python for Scientists](https://nbviewer.jupyter.org/gist/anonymous/5924718)
* [Python Tutorial for Intermediates](https://pythonbasics.org/) * [Python Tutorial for Intermediates](https://pythonbasics.org/)
* [Build a Desktop App with Python](https://pythonpyqt.com/) * [Build a Desktop App with Python](https://pythonpyqt.com/)