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lesson8-5
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Commit
21482bab
authored
Feb 12, 2023
by
BellCodeEditor
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diy.py
diy.py
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21482bab
# 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
=
input
(
'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
=
{
'苹果'
:
5
2
,
'山竹'
:
19
,
'香蕉'
:
24
,
'荔枝'
:
15
,
'葡萄'
:
93
,
'桂圆'
:
28
,
'蓝莓'
:
10
,
'李子'
:
8
8
}
k
=
input
(
'请输入名称:'
)
v
=
input
(
'请输入
最新成绩
:'
)
if
k
in
score
:
# ?补充条件判断:
if
int
(
v
)
>
score
[
k
]
:
score
[
k
]
=
int
(
v
)
#
更新价钱
print
(
'亲爱的'
+
k
+
'同学,恭喜你成绩已更新为'
+
v
+
'分
'
)
else
:
print
(
k
+
'涨价了,我们不买
'
)
print
(
'亲爱的'
+
k
+
'同学,很遗憾,你的成绩没有被更新
'
)
else
:
cost
[
k
]
=
floa
t
(
v
)
print
(
k
+
'的价钱'
+
v
+
'元已上传~
'
)
score
[
k
]
=
in
t
(
v
)
print
(
'亲爱的'
+
k
+
'同学,你的第一次成绩'
+
v
+
'分
'
)
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