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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_containers(self, container_class):
 """Thread-safe method to retrieve data from the state's store. Args: container_class: AttributeContainer class used to filter data. Returns: A list of AttributeContainer objects of matching CONTAINER_TYPE. """

    with self._store_lock:
      return self.store.get(container_class.CONTAINER_TYPE, [])