1.输入年、月,输出本月有多少天
如:2004 2 --> 29天 2010 4 -->30天
year = int(input("请输入年份:"))
month = int(input("请输入月份:"))
if (month == 1) or (month ==3) or (month ==5) or (month ==7) \
or (month ==8) or (month ==10) or (month ==12):
print("%d年%d月有31天" %(year,month))
elif (month == 4) or (month ==6) or (month ==9) or (month ==11) :
print("%d年%d月有30天" %(year,month))
else :
if (year % 400 == 0) or (year % 4 == 0 and year % 100 != 0):
print("%d年%d月有29天" %(year,month))
else:
print("%d年%d月有28天" %(year,month))
2.用if判断输入的值是否为空,如果为空,报错Error
#用if判断输入的值是否为空,空报错ERROR
value = input('value:')
if not value:
print("Error")
3.用户输入月份,打印该月份所属的季节
3,4,5春季 6,7,8夏季 9,10,11秋季 12 1 2冬季
"""
用户输入月份,打印该月份所属季节
3,4,5春6,7,8夏9,10,11秋12,1,2冬
"""
month = int(input("输入月份(1~12):"))
if (month >=3 and month <= 5):
print("%d月是春季" %month)
elif (month >= 6 and month <= 8):
print("%d月是夏季" %month)
elif (month >=9 and month <= 11):
print("%d月是秋季" %month)
else:
print("%d月是冬季" %month)
4.用户输入年份,判断是否为闰年
1)能被400整除
2)能被4整除不能被100整除
year = int(input("请输入年份:"))
if (year % 400 == 0) or (year % 4 ==0 and year % 100 !=0):
print("%d是闰年" %year)
else:
print("%d不是闰年" %year)