code: def __str__(self, func_role=""):
      out = []
      out += self._str_signature()
      out += self._str_summary()
      out += self._str_extended_summary()
      for param_list in (
          "Parameters",
          "Returns",
          "Other Parameters",
          "Raises",
          "Warns",
      ):
          out += self._str_param_list(param_list)
      out += self._str_section("Warnings")
      out += self._str_see_also(func_role)
      for s in ("Notes", "References", "Examples"):
          out += self._str_section(s)
      for param_list in ("Attributes", "Methods"):
          out += self._str_param_list(param_list)
      out += self._str_index()
      return "\n".join(out)
  
imports: import re
  import textwrap
  from warnings import warn
label_desc: Use image node_id 22 for calling the NumpyDocString obj's underlying member method code with example usage: obj.__str__(func_role) and returns: str