Python小练02

判断一个数是否满足除3余2除5余3除7余2

num = int(input("请输入数字"))
if num % 3 == 2 and num % 5 == 3 and num % 7 == 2:
    print("是")
else:
    print("否")

判断输入的年份是否为闰年

a = int(input("请输入年份："))
if a % 4 == 0:
    if a % 100 == 0:
        if a % 400 == 0:
            print("是闰年")
        else:
            print("a%400==0不满足")
    else:
        print("a%100==0不满足")
else:
    print("a%4==0不满足")

判断输入的文本是否为回文

s = input("请输入文字：")
if s[:] == s[::-1]:
    print("是")
else:
    print("否")