Get the name of the function that is running

whoami.py

def whoami():
    '''
    To be used within a function.
    Returns the name of the function whoami() is called in.
    '''
    import sys
    return sys._getframe(1).f_code.co_name
    

def test():
    print(f'{whoami()}() says hello..')

test()

The above will print:

test() says hello..