Python challenges_2

def mid(my_string):
    length = len(my_string) % 2
    if length == 0:
        return ""
    elif length != 0:
        middle = len(my_string) // 2
        return my_string[middle]
print(mid("cars"))

def middel(string):
    if len(string) % 2 == 0:
        return ""
    return string[len(string)//2]
print(middel("abc"))