Check if a function is a method of some object

Question

How to check if a function is a method of some object?

For example:

def check_method(f):
    ...

check_method(lambda x: x + 1)           # >>>          


        

Answer 1

It is also possible to check against the types defined in the built in types library:

import types
isinstance(obj.method, types.MethodType) # True