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1
|
|
#猜年龄大小，用户最多猜三次
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age
=
50
i
=
0
while
i <
3
:
guess_age
=
int
(
input
(
"Please input your answer:"
))
if
guess_age > age:
print
(
"too big...try again please"
)
elif
guess_age < age:
print
(
"too small...try again please"
)
else
:
print
(
"You guessed it!"
)
break
i
+
=
1
if
i
=
=
3
:
|
#猜年龄，每隔三次询问是否继续玩
|
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|
age
=
50
for
i
in
range
(
1
,
100
):
guess_age
=
int
(
input
(
"Please input your answer:"
))
if
guess_age > age:
print
(
"too big...try again please"
)
elif
guess_age < age:
print
(
"too small...try again please"
)
else
:
print
(
"You guessed it !"
)
if
i
%
3
=
=
0
:
choice
=
input
(
"Would you like play again? yes or no"
)
if
choice
=
=
"yes"
:
continue
if
choice
=
=
"no"
:
break
else
:
continue
|
#登录验证，输入错误三次锁定用户
|
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|
f
=
open
(
'c:/user_passwd.txt'
,
'r'
)
j
=
3
system_user_name
=
str
(f.readline())
system_passwd
=
str
(f.readline())
f.close()
for
i
in
range
(
1
,
5
):
user_name
=
str
(
input
(
"Please input your UserID:"
))
password
=
str
(
input
(
"passwd:"
))
if
i
=
=
3
:
s
=
open
(
'c:/user_passwd.txt'
,
'r+'
)
s.write(
"\nlocked"
)
s.close()
print
(
"This user is locked!"
)
break
else
:
if
user_name
+
'\n'
=
=
system_user_name
and
password
=
=
system_passwd:
print
(
"Welcome"
+
user_name
+
'\n'
+
"Have a good time!"
)
break
else
:
j
-
=
1
i
+
=
1
|
|
1
|
print
(
"UserID or password is wrong,Please try once again and you have "
+
\
str
(j)
+
'times choice'
)
|
本文转自 AltBoy 51CTO博客，原文链接:http://blog.51cto.com/altboy/1911078
