code: def copy_type_comments_to_annotations(args):
      
      for arg in args.args:
          copy_type_comment_to_annotation(arg)
  
      if args.vararg:
          copy_type_comment_to_annotation(args.vararg)
  
      for arg in args.kwonlyargs:
          copy_type_comment_to_annotation(arg)
  
      if args.kwarg:
          copy_type_comment_to_annotation(args.kwarg)
docs: Copies argument type comments from the legacy long form to annotations
      in the entire function signature.