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Python 2 and Python 3 handle input and raw_input differently.
In Python 2
input(x) is roughly the same as eval(raw_input(x))
raw_input() is preferred, unless the author wants to support evaluating string expressions.
eval() is used to evaluate string expressions.
Standard Library Docs:
https://docs.python.org/2/library/functions.html#input
https://docs.python.org/2/library/functions.html#raw_input
https://docs.python.org/2/library/functions.html#eval
In Python 3
Input handles string as a generic string. It does not evaluate the string as a string expression.
raw_input doesn’t exist, but with some tricky techniques, it can be supported.
eval() can be used the same as Python 2.
Standard Library Docs:
https://docs.python.org/3/library/functions.html#input
https://docs.python.org/3/library/functions.html#eval
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