code: def check_len(
      val: Sized, expected_len: int, reason: Optional[str] = None
  ) -> None:
      return len_eq(val, expected_len, reason)
  
imports: from typing import Any, Container, Optional, Sized, Tuple, Type, Union
label_desc: Use image node_id 24 for calling a global function with example usage: check_len(val, expected_len, reason) and returns: len_eq