code: def strip_non_ascii(s):
      
      stripped = (c for c in s if 0 < ord(c) < 127)
      clean_string = u''.join(stripped)
      return clean_string
docs: Returns the string without non-ASCII characters.
  
      Parameters
      ----------
      string : string
          A string that may contain non-ASCII characters.
  
      Returns
      -------
      clean_string : string
          A string that does not contain non-ASCII characters.