detect palindromes in python

## detect palindromes in python
## does not take into account whitespaces, uppercases/lowercases

def is_palindrome (uString):
    l = len (uString)
    if l == 0 or l == 1: return True
    elif uString[0] == uString[-1]: return is_palindrome (uString[1:-1])
    else: return False


if __name__ == "__main__":
    print is_palindrome ("racecar")
    print is_palindrome ("2002")
    print is_palindrome ("not-a-palindrome")