def orderPick(pick1, pick2): pick1index = months.index(pick1) pick2index = months.index(pick2) if pick1index < pick2index: print (months[pick1index], months[pick2index]) elif pick1index == pick2index: print (months[pick1index], months[pick2index]) else: print (months[pick2index], months[pick1index]) orderPick(pick1, pick2)