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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_random_name(sep: str='-'):
 """ Generate random docker-like name with the given separator. :param sep: adjective-name separator string :return: random docker-like name """

    r = random.SystemRandom()
    return '{}{}{}'.format(r.choice(_left), sep, r.choice(_right))