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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 print_comps(comps):
 """ print stats for comparisons """

    if comps == []:
        print('n/a')
    else:
        print('# min: %s, max: %s, mean: %s' % \
            (min(comps), max(comps), np.mean(comps)))