How to check for a function type in Python?

Question

I\'ve got a list of things, of which some can also be functions. If it is a function I would like to execute it. For this I do a type-check. This normally works for other ty

Answer 1

Because function isn't a built-in type, a NameError is raised. If you want to check whether something is a function, use hasattr:

>>> hasattr(f, '__call__')
True

Or you can use isinstance():

>>> from collections import Callable
>>> isinstance(f, Callable)
True
>>> isinstance(map, Callable)
True