Why does “if foo:” follow the branch even if the function foo returns False?

Question

def foo(a):
    print(\"I\'m foo\")
    return False


if foo:
    print(\"OK\")
else:
    print(\"KO\")

I run it and it returns OK. I know, I should h

Answer 1

python if condition statisfies if the value is not equal to any of these

0, None, "", [], {}, False, ()

Here

def foo(a):
    print("I'm foo")
    return False

>>>foo

That means variable foo pointing to the function.If you call your function foo(arg) then it will return False as you expecting.So

>>>foo("arg")
False