0010_while循环

Posted 2020-09-02 elijahxb

while 条件：

　　代码块

break:跳出循环语句

continue:跳出本次循环，进入下一次循环。

 1 __author__ = ‘qq593‘
 2 #!/usr/bin/env python
 3 #-*- coding:utf-8 -*-
 4 ‘‘‘
 5 import time
 6 a = 0
 7 while (a!=100):
 8     print("1")
 9     time.sleep(1)
10     a+=1
11 print("Over")
12 ‘‘‘
13 ‘‘‘
14 import time
15 a = 1
16 while True:
17     print(a)
18     if(a==10):
19         break   #用于跳出当前循环语句   continue用于跳出本次循环，继续下一次循环
20     a+=1
21     time.sleep(1)
22 print("End")
23 ‘‘‘
24 a = 0
25 while a<9:
26     a+=1
27     if(a==7):
28         continue
29     print(a)