code: def _str_header(self, name, symbol="-"):
      return [name, len(name) * symbol]
  
imports: from __future__ import division, absolute_import, print_function
  import inspect
  import textwrap
  import re
  import pydoc
  from warnings import warn
  import collections
  import copy
  import sys
label_desc: Use image node_id 15 for calling the NumpyDocString obj's underlying member method code with example usage: obj._str_header(name, symbol) and returns: list