[Tutor] executing a string representing python code

[Cecilia Alm]

I know that there are several ways to execute a string which represents a
piece of python code.
Out of curiosity, is it only eval which returns a value? (as below, where
the string corresponds to a defined function).

>>> def addone(val):
...     return val + 1
...
>>> res = eval('addone(10)')

Thanks!
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