>>> def return_false1():
... print('run 1')
... return False
...
>>> def return_false2():
... print('run 2')
... return False
...
>>> def return_false3():
... print('run 3')
... return False
...
>>>
>>> if return_false1() and return_false2() and return_false3():
... print('I newer executed')
...
run 1
>>>