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lesson8-5
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Commit
a5e8abca
authored
May 02, 2021
by
BellCodeEditor
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持家小助手 copy.py
持家小助手.py
持家小助手 copy.py
0 → 100644
View file @
a5e8abca
# 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
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
}
while
True
:
k
=
input
(
'请输入你想买的水果'
)
v
=
input
(
'请输入价格'
)
if
k
in
cost
:
if
int
(
v
)
>
cost
[
k
]:
print
(
k
+
"涨价了,我们不买"
)
else
:
print
(
k
+
"降价了,我们买"
)
else
:
cost
[
k
]
=
int
(
v
)
print
(
"没有这种水果,已帮你添加进字典。"
)
print
(
cost
)
\ No newline at end of file
持家小助手.py
0 → 100644
View file @
a5e8abca
# 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
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:'
)
if
k
in
cost
:
if
float
(
v
)
<
cost
[
k
]:
cost
[
k
]
=
float
(
v
)
print
(
k
+
'降价了,现价'
+
v
+
'元'
)
else
:
print
(
k
+
'涨价了,我们不买'
)
else
:
cost
[
k
]
=
float
(
v
)
print
(
k
+
'的价钱'
+
v
+
'元已上传~'
)
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