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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_eargs():
 """ Look for options in environment vars """


    settings = {}

    zmq = os.environ.get("ZMQ_PREFIX", None)
    if zmq is not None:
        debug("Found environ var ZMQ_PREFIX=%s" % zmq)
        settings['zmq_prefix'] = zmq

    return settings