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Xref: csiph.com comp.lang.python:95583

Mark Lawrence <breamoreboy@yahoo.co.uk> writes:

> I was always led to believe that the subject was a difficult thing to
> do, but here
> https://www.reddit.com/r/learnpython/comments/3huz4x/how_to_do_math_inside_raw_input/
> is a safe solution in only 23 characters, or are there any discernable
> flaws in it?

Related: http://stackoverflow.com/questions/2371436/evaluating-a-mathematical-expression-in-a-string