code: def generate_returns_docstring(func_name, doc_items):
      """Generates the returns docstring for a function."""
      return_strings = [
          f"{item['type']}\n{wrap_text(item['desp'])}"
          for item in doc_items.values()
      ]
      return "\nReturns\n-------\n" + "\n".join(return_strings)
  
imports: import ast
  import json
  import re
  import argparse
  import textwrap
  import os
  from collections import defaultdict
label_desc: Use image node_id 4 for calling a global function with example usage: generate_returns_docstring(func_name, doc_items) and returns: unknown