code: def copy(
      x: Union[FrozenDict, Dict[str, Any]],
      add_or_replace: Union[
          FrozenDict[str, Any], Dict[str, Any]
      ] = FrozenDict({}),
  ) -> Union[FrozenDict, Dict[str, Any]]:
      """Create a new dict with additional and/or replaced entries. This is a utility
      function that can act on either a FrozenDict or regular dict and mimics the
      behavior of ``FrozenDict.copy``.
  
      Example::
  
        >>> from flax.core import FrozenDict, copy
        >>> variables = FrozenDict({'params': {...}, 'batch_stats': {...}})
        >>> new_variables = copy(variables, {'additional_entries': 1})
  
      Args:
        x: the dictionary to be copied and updated
        add_or_replace: dictionary of key-value pairs to add or replace in the dict x
      Returns:
        A new dict with the additional and/or replaced entries.
      """
  
      if isinstance(x, FrozenDict):
          return x.copy(add_or_replace)
      elif isinstance(x, dict):
          new_dict = jax.tree_map(
              lambda x: x, x
          )  # make a deep copy of dict x
          new_dict.update(add_or_replace)
          return new_dict
      raise TypeError(f"Expected FrozenDict or dict, got {type(x)}")
  
imports: import collections
  from types import MappingProxyType
  from typing import Any, Dict, Hashable, Mapping, Tuple, TypeVar, Union
  import jax
  from flax import serialization
label_desc: Use image node_id 5 for calling a global function with example usage: copy(x, add_or_replace) and returns: x, new_dict