code: def replace_example_docstring(example_docstring):
      def docstring_decorator(fn):
          func_doc = fn.__doc__
          lines = func_doc.split("\n")
          i = 0
          while (
              i < len(lines)
              and re.search(r"^\s*Examples?:\s*$", lines[i]) is None
          ):
              i += 1
          if i < len(lines):
              lines[i] = example_docstring
              func_doc = "\n".join(lines)
          else:
              raise ValueError(
                  f"The function {fn} should have an empty 'Examples:' in its docstring as placeholder, "
                  f"current docstring is:\n{func_doc}"
              )
          fn.__doc__ = func_doc
          return fn
  
      return docstring_decorator
  
label_desc: Use image node_id 1 for calling a global function with example usage: replace_example_docstring(example_docstring) and returns: docstring_decorator, fn