code: def __repr__(self) -> str:
      return "print('hello world!')"
  
imports: from typing import Any, Callable, Dict
  from unittest import mock
  from functorch.einops._parsing import AnonymousAxis, ParsedExpression, parse_pattern, validate_rearrange_expressions, _ellipsis
  from torch.testing._internal.common_utils import TestCase, run_tests
label_desc: Use image node_id 1 for calling the MaliciousRepr obj's underlying member method code with example usage: obj.__repr__() and returns: str