def do_something(a):
    if a > 10:
        return True
    elif a < 0:
        return 12
    else:
        return "less than 10 greater than 0"

def do_other(a):
    b = a + 1

def do_test1(a):
    if a > 10:
        return True
    return False

def do_test2(a):
    if a > 10:
        return True
    return None

def do_test3(a):
    if a > 10:
        return True

