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lesson8-5
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Commit
349c7a6b
authored
Oct 19, 2024
by
BellCodeEditor
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diy.py
diy.py
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349c7a6b
# 持家小能手 (利用自动更新成绩程序的逻辑完成这个新项目)
# 如果输入的水果价钱比字典中的低,则替换掉,反之则不更新
cost
=
{
'
苹果'
:
5.2
,
'山竹'
:
12.9
,
'香蕉'
:
2.4
,
'荔枝'
:
15
,
'葡萄'
:
9.3
,
'桂圆'
:
8
,
'蓝莓'
:
10
,
'李子'
:
8
}
k
=
input
(
'请输入
水果
名称:'
)
v
=
in
put
(
'请输入水果价钱:'
)
# ?补充条件判断
:
if
# ?
:
# ?更新价钱
print
(
k
+
'降价了,现价'
+
v
+
'元
'
)
cost
=
{
'
小明'
:
85
,
'细节'
:
91
,
'互动'
:
70
,
'剪刀'
:
93
,
'货物'
:
94
,
'桂圆'
:
76
,
'蓝莓'
:
90
,
'李子'
:
10
}
k
=
input
(
'请输入
学生
名称:'
)
v
=
in
t
(
input
(
'请输入学生成绩:'
)
)
if
k
in
cost
:
if
v
>
cost
[
k
]
:
cost
[
k
]
=
v
print
(
'成绩已更新
'
)
else
:
print
(
k
+
'涨价了,我们不买
'
)
print
(
'成绩未更新
'
)
else
:
cost
[
k
]
=
float
(
v
)
print
(
k
+
'的价钱'
+
v
+
'元已上传~'
)
cost
[
k
]
=
v
print
(
cost
)
\ No newline at end of file
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