当用户输入密码时候，如果输入正确会输出welcom user login，如果输入错误会输出invalid username or password
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#!/usr/bin/env python
# -*- coding:utf-8 -*-
import
getpass
_username
=
"xcn"
_password
=
"admin"
username
=
input
(
"username:"
)
password
=
getpass.getpass(
"password:"
)
print
(username, password)
if
_username
=
=
username
and
_password
=
=
password:
print
(
"welcome user {name} login ..."
.
format
(name
=
username))
else
:
print
(
"invalid username or password!"
)
ce
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#!/usr/bin/env python
# -*- coding:utf-8 -*-
age_of_xcn
=
20
guess_age
=
int
(
input
(
"guess age:"
))
if
guess_age
=
=
age_of_xcn:
print
(
"yes,you got it"
)
elif
guess_age > age_of_xcn:
print
(
"think smaller"
)
else
:
print
(
"think bigger"
)
执行结果：
guess age:
12
think bigger
guess age:
22
think smaller
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本文转自 baishuchao 51CTO博客，原文链接:http://blog.51cto.com/baishuchao/1932908
