code: def normalize_path(path, relative_to=os.getcwd()):
  
      
  
      path = os.path.expanduser(os.path.normpath(path))
  
      if os.path.isabs(path):
          return path
      else:
          return join(relative_to, path)
docs: Return normalized path.  If path is not user-expandable or
      absolute, treat it relative to relative_to