a = {(3, 4, 5): "春",(6, 7, 8): "夏",(9, 10, 11): "秋",(12, 1, 2): "冬",} mon = int(input("输入月份:")) if 0 < mon < 13: print(f"{mon}月是{[v for k,v in a.items() if mon in k][0]}季")