code: def _deepcopy_dict(x, memo, deepcopy=deepcopy):
      y = {}
      memo[id(x)] = y
      for key, value in x.items():
          y[deepcopy(key, memo)] = deepcopy(value, memo)
      return y
  
file_path: catboost/contrib/tools/python3/src/Lib/copy.py
imports: import types
  import weakref
  from copyreg import dispatch_table
label_desc: Use image node_id 7 for calling a global function with example usage: _deepcopy_dict(x, memo, deepcopy) and returns: y