new_contents: """
  Length of Last Word
  Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string.
  If the last word does not exist, return 0.
  Note: A word is defined as a character sequence consists of non-space characters only.
  For example,
  Given s = "Hello World",
  return 5. 
  """
  
  class Solution(object):
      def lengthOfLastWord(self, s):
          """
          :type s: str
          :rtype: int
          """
          if not s:
              return 0
          words=s.split()
          if not words:
              return 0
          else:
              return len(words[-1])
  
subject: Create LengthofLastWord.py