2021-03-26 00:32:02
首先明确 什么是闰年？
1、能被4整除，但不能被100整除；
2、能被400整除；
方案一：
while True:
year = input("请输入要判断的年份（例如：2000）：")
if year.isdigit():
year = int(year)
result = (year % 4 == 0 and year % 100 != 0) or (year % 400 == 0)
if result:
s = "是"
else:
s = "不是"
print("{0}年{1}闰年".format(year, s))
else:
print("请输入年份！")
方案二：
while True:
year = input("请输入您要判断的年份（例如：2000）：")
if year.isdigit():
year = int(year)
result = (year/400 == int(year/400))or((year/4 == int(year/4)) and (year/100 != int(year/100)))
if result:
s = "是"
else:
s = "不是"
print("{0}年{1}闰年!".format(year, s))
else:
print("请输入年份！")
方案三：
while True:
year = input("请输入您要判断的年份（例如：2000）：")
if year.isdigit():
yea = int(year)
if (yea/400 == int(yea/400))or((yea/4 == int(yea/4)) and (yea/100 != int(yea/100))):
print(year+"是闰年!")
else:
print(year+"不是闰年!")
else:
print("请输入年份！")
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