code: def _dtype_and_weaktype(value: Any) -> tuple[DType, bool]:
      """Return a (dtype, weak_type) tuple for the given input."""
      return dtype(value), any(
          value is typ for typ in _weak_types
      ) or is_weakly_typed(value)
  
imports: from __future__ import annotations
  import abc
  import builtins
  import functools
  from typing import cast, overload, Any, Literal, Union
  import warnings
  import ml_dtypes
  import numpy
  from jax._src import config
  from jax._src.typing import DType, DTypeLike
  from jax._src.util import set_module
  from jax._src import traceback_util
label_desc: Use image node_id 15 for calling a global function with example usage: _dtype_and_weaktype(value) and returns: dtype,  unknown