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What is the difference between Python 2 and Python 3?

Entry Python
Quick Answer Python 2 (EOL 2020): print is a statement, integer division by default, str is bytes, unicode is separate type, range() returns a list. Python 3: print() is a function, true division by default, str is unicode, bytes is separate, range() returns a lazy iterator. Python 3 is the only supported version now - all new code should use Python 3.

Answer

Key differences:
• print is a function in Python 3
• / returns float in Python 3
• Strings are Unicode by default
• Most libraries support Python 3 only
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