code: def _deserialize_dict_attributes(cls, cls_context, dict_):
          
  
          dict_deserialized = {}
  
          for key in dict_.keys():
              key_deserialized = cls._deserialize_key(key)
              value_specs = cls._get_value_specs(cls_context, key_deserialized)
  
              if value_specs is not None:
                  dict_deserialized[value_specs.name] = cls._deserialize_value(
                      value_specs.types,
                      dict_[key]
                  )
              else:
                  cls._warn_key_unknown(cls_context, key)
  
          return dict_deserialized
docs: :type cls_context: type
          :type dict_: dict
  
          :rtype: dict