[Python] What is first class function in Python

I am still confused about what first-class functions are. If I understand correctly, first-class functions should use one function as an object. Is this correct?

Is this a first-class function?

def this_is_example(myarg1):
return myarg1

def this_is_another_example(myarg):
return this_is_example(myarg) + myarg

this_is_another_example(1)

Continue reading...