摘要:
while True: year = int(input("请输入年份:")) if year % 4 == 0 and year % 100 != 0: print("%s是闰年" % year) elif year % 400 == 0: print("%s是闰年" % year) else: 阅读全文
摘要:
一、总和 i = 1 sum = 0 while i <= 100: sum += i i += 1 print(sum) 二、奇数和 i = 1 sum = 0 while i <= 100: if i % 2 != 0: sum += i i += 1 print(sum) 三、偶数和 i = 阅读全文
摘要:
一、For循环 for i in range(1, 10): for j in range(1, i + 1): print('%d * %d = %2d ' % (j, i, j * i), end=' ') print() 二、While循环 i = 1 while i <= 9: j = 1 阅读全文