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lesson8-5
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Commit
29e5b4eb
authored
3 years ago
by
BellCodeEditor
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parent
097ea693
c174116l915p219a9878/wx690864
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diy.py
diy.py
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29e5b4eb
# 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)
# 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
# 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
}
score
=
{
'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:'
)
k
=
input
(
'请输入水果名称:'
)
v
=
input
(
'请输入水果价钱:'
)
v
=
input
(
'请输入水果价钱:'
)
# ?补充条件判断
:
if
k
in
score
:
if
# ?
:
if
int
(
v
)
>
score
[
k
]
:
# ?更新价钱
score
[
k
]
=
int
(
v
)
# ?更新价钱
print
(
k
+
'降价了,现价'
+
v
+
'元'
)
print
(
k
+
'降价了,现价'
+
v
+
'元'
)
else
:
else
:
print
(
k
+
'涨价了,我们不买'
)
print
(
k
+
'涨价了,我们不买'
)
else
:
else
:
cost
[
k
]
=
float
(
v
)
score
[
k
]
=
float
(
v
)
print
(
k
+
'的价钱'
+
v
+
'元已上传~'
)
print
(
k
+
'的价钱'
+
v
+
'元已上传~'
)
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