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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_locked_variable(self, key, access_key):
 """Returns the value of an global variable that is already locked :param key: the key of the global variable :param access_key: the access_key to the global variable that is already locked """

        return self.get_variable(key, per_reference=False, access_key=access_key)