class Solution: def lengthOfLastWord(self, s: str) -> int: s = s.strip() for i in range(len(s) - 1, -1, -1): if s[i] == " ": print("Found space at", i, len(s) - 1) if i == len(s) - 1: return 0 else: return len(s[i+1:]) return len(s) s = Solution() print("Expected: 0") print("Got:", s.lengthOfLastWord("Test"))