Python之while循环

Posted 2021-01-09 wang-jie-devops

基本语法：

while  condition:

    code...

示例：

1.输出1到10，不包括7

n = 1
while n < 11:
     if n == 7:
         pass
     else:
         print(n)
     n = n+1

2.计算1-100所有数之和

n = 1
s = 0
while n < 101:
    s = s + n
    n = n + 1
print(s)

3.计算1-2+3-4+5-6...99

n = 1
s = 0
while n < 101:
    if n % 2 == 0:
        s = s - n
    else:
        s = s + n
    n = n + 1
print(s)