week = input("请输入星期数的首字母")
match week:
case "m":
print("星期一")
case "t":
d = input("请输入第二个字母:")
if d == "u":
print("星期二")
if d == "h":
print("星期四")
case "w":
print("周三")
case "f":
print("周五")
case "s":
d = input("请输入第二个字母:")
if d == "a":
print("周六")
if d == "u":
print("周日")



