class_docstr: docstring
docstr: docstring
docstr_tok: ["docstring"]
code: def sum(self, x, y=None):
      """docstring"""
      return x + y
  
imports: from __future__ import annotations
  from typing import Any, overload
label_desc: Use image node_id 4 for calling the Math obj's underlying member method code with example usage: obj.sum(x, y) and returns: unknown