python----while语句练习

版权声明：https://blog.csdn.net/weixin_42499593 https://blog.csdn.net/weixin_42499593/article/details/89196444

1.语句语法

while 条件():
条件满足时，做的事情1
条件满足时，做的事情2

2.while死循环

3.while求和

i = 0

result = 0

while i <= 100:
    result += i
    i += 1

print('和为:%d' %result)

4.while练习

题目：
打印9x9乘法表

row = 1
while row <= 9:
    col = 1
    while col <= row:
        print('%d * %d = %d\t' %(row,col,col * row),end='')
        col += 1
    print('')
    row += 1