defyear(y)Ify%100=0andy%400=0:Print"y,是闰年"Elify%100!=0andy%4=0:Print"y,"是闰年"Else:Print"y,"不是闰年"Returnyear(raw_input("请输入年份:")。
defyear(y)
Ify%100=0andy%400=0:
Print"y,是闰年"
Elify%100!=0andy%4=0:
Print"y,"是闰年"
Else:
Print"y,"不是闰年"
Return
year(raw_input("请输入年份:")。