Question

How to check if a function is a user-defined function or not in Python

Answer 1

import types

def f():
    print(f())


print(isinstance(f, types.FunctionType))
print(isinstance(f, types.LambdaType))

print(isinstance(max, types.FunctionType))
print(isinstance(max, types.LambdaType))




'''
run:

True
True
False
False

'''

 

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