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Commit
e1572b17
authored
Mar 23, 2022
by
BellCodeEditor
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f127c3eb
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with
22 additions
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29 deletions
my_window.py
my_window.py
View file @
e1572b17
import
random
alist
=
[]
for
i
in
range
(
1
,
101
):
alist
.
append
(
i
)
num
=
random
.
choice
(
alist
)
# 请完善二分查找函数binary_search(),查找出num在列表alist里面的索引位置
def
binary_search
(
alist
,
num
):
low
=
0
# 初始最低索引
high
=
len
(
alist
)
-
1
# 初始最高索引
while
low
<=
high
:
# 当最低索引小于等于最高索引
mid
=
(
low
+
high
)
//
2
guess
=
alist
[
mid
]
if
guess
==
num
:
# 中间值等于查找对象,返回索引
return
mid
elif
guess
<
num
:
# 中间值小于查找对象
low
=
mid
+
1
else
:
# 中间值大于查找对象
high
=
mid
-
1
return
None
result
=
binary_search
(
alist
,
num
)
print
(
"老师给的数是:"
,
num
)
print
(
"它在列表里的索引是:"
,
result
)
# 列表从1开始,索引从0开始,所以少1
09
:
33
我愿化身石桥
import
tkinter
# 建立窗口对象
...
...
@@ -32,8 +5,28 @@ root = tkinter.Tk()
root
.
title
(
"注册"
)
# 设置窗口标题
root
.
geometry
(
"400x320+500+300"
)
# 设置窗口大小
# 输入框entry;用户输入框
e1
=
tkinter
.
Entry
(
root
,
show
=
None
,
font
=
(
'宋体'
,
14
),
bg
=
"light grey"
,
width
=
18
)
# 显示成明文形式
e1
.
place
(
x
=
140
,
y
=
80
)
# 密码输入框,左上角坐标:x:140,y:140
e2
=
tkinter
.
Entry
(
root
,
show
=
'*'
,
font
=
(
'宋体'
,
14
),
width
=
18
)
e2
.
place
(
x
=
140
,
y
=
140
)
# 确认密码输入框,左上角坐标:x:140,y:200
e3
=
tkinter
.
Entry
(
root
,
show
=
'*'
,
font
=
(
'宋体'
,
14
),
width
=
18
)
e3
.
place
(
x
=
140
,
y
=
200
)
# 注册界面上的文字标签
lab
=
tkinter
.
Label
(
root
,
text
=
'您好!请填写注册信息'
,
font
=
(
'宋体'
,
15
),
fg
=
"black"
,
width
=
40
,
height
=
2
,
bg
=
"green"
)
lab
.
place
(
x
=
0
,
y
=
0
)
# 在输入框前展示文字标签:用户名:、密 码:、确认密码:
lab1
=
tkinter
.
Label
(
root
,
text
=
'用户名:'
,
font
=
(
"宋体"
,
12
),
fg
=
"black"
)
lab1
.
place
(
x
=
60
,
y
=
80
)
lab2
=
tkinter
.
Label
(
root
,
text
=
'密 码:'
,
font
=
(
"宋体"
,
12
),
fg
=
"black"
)
lab2
.
place
(
x
=
60
,
y
=
140
)
lab3
=
tkinter
.
Label
(
root
,
text
=
'确认密码:'
,
font
=
(
"宋体"
,
12
),
fg
=
"black"
)
lab3
.
place
(
x
=
50
,
y
=
200
)
# 保持窗口监听,进入消息循环
root
.
mainloop
()
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