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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_object_or_child_by_type(self, *types):
 """ Get object if child already been read or get child. Use this method for fast access to objects in case of static configurations. :param types: requested object types. :return: all children of the specified types. """


        objects = self.get_objects_or_children_by_type(*types)
        return objects[0] if any(objects) else None