original_docstring:  Turn a string into a list of string and number chunks.
          "z23a" -> ["z", 23, "a"]
      
docstring: Turn a string into a list of string and number chunks.
docstring_tokens: Turn a string into a list of string and number chunks .
code: def alphanum_key(s):
      """ Turn a string into a list of string and number chunks.
          "z23a" -> ["z", 23, "a"]
      """
      return [ tryint(c) for c in re.split('([0-9]+)', s) ]
code_tokens: def alphanum_key ( s ) : return [ tryint ( c ) for c in re . split ( '([0-9]+)' , s ) ]
short_docstring: Turn a string into a list of string and number chunks.
short_docstring_tokens: Turn a string into a list of string and number chunks .
comment: """ Turn a string into a list of string and number chunks.
          "z23a" -> ["z", 23, "a"]
      """