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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 pause(jid, state_id=None, duration=None):
    '''
    Set up a state id pause, this instructs a running state to pause at a given
    state id. This needs to pass in the jid of the running state and can
    optionally pass in a duration in seconds.
    '''
    minion = salt.minion.MasterMinion(__opts__)
    minion.functions['state.pause'](jid, state_id, duration)