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Add minor example
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README.md
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README.md
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@ -3437,6 +3437,16 @@ f()
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[]
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```
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* Slicing an iterable not always creates a new object. For example,
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```py
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>>> some_str = "wtfpython"
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>>> some_list = ['w', 't', 'f', 'p', 'y', 't', 'h', 'o', 'n']
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>>> some_list is some_list[:] # False expected because a new object is created.
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False
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>>> some_str is some_str[:] # True because strings are immutable, so making a new object is of not much use.
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True
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```
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* `int('١٢٣٤٥٦٧٨٩')` returns `123456789` in Python 3. In Python, Decimal characters include digit characters, and all characters that can be used to form decimal-radix numbers, e.g. U+0660, ARABIC-INDIC DIGIT ZERO. Here's an [interesting story](http://chris.improbable.org/2014/8/25/adventures-in-unicode-digits/) related to this behavior of Python.
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* You can seperate numeric literals with underscores (for better readablity) from Python 3 onwards.
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