python while循环
当count=0，以count+1形式无限循环
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#!/usr/bin/env python# -*- coding:utf-8 -*-count = 0
while True:
print("count:", count)
count = count+1
执行结果：.....count: 1781738
count: 1781739
count: 1781740
count: 1781741
count: 1781742
count: 1781743
count: 1781744
count: 1781745
count: 1781746
...... |
猜测游戏：当用户猜测次数超过3次即将退出，猜测正确也退出
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#!/usr/bin/env python# -*- coding:utf-8 -*-age_of_xcn = 20
count = 0
while True:
if count ==3:
break
guess_age = int(input("guess age:"))
if guess_age == age_of_xcn:
print("yes,you got it")
break
elif guess_age > age_of_xcn:
print("think smaller")
else:
print("think bigger")
count +=1
执行结果：
guess age:5
think biggerguess age:3
think biggerguess age:2
think bigger进程已结束,退出代码0
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优化后：
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#!/usr/bin/env python# -*- coding:utf-8 -*-age_of_xcn = 20
count = 0
while count < 3:
guess_age = int(input("guess age:"))
if guess_age == age_of_xcn:
print("yes,you got it")
break
elif guess_age > age_of_xcn:
print("think smaller")
else:
print("think bigger")
count += 1
else:
print("bay bay")
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本文转自 baishuchao 51CTO博客，原文链接:http://blog.51cto.com/baishuchao/1933086