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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 destroy_volumes(role):
 """ Destroys all volumes on all the slaves in the cluster for the role. """

    state = dcos_agents_state()
    if not state or 'slaves' not in state.keys():
        return False
    all_success = True
    for agent in state['slaves']:
        if not destroy_volume(agent, role):
            all_success = False
    return all_success