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
......
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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 bigger
guess age:
3
think bigger
guess 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"
)
|
本文转自 baishuchao 51CTO博客，原文链接:http://blog.51cto.com/baishuchao/1933086
