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lesson8-5
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Commit
06b9aad2
authored
Dec 12, 2020
by
BellCodeEditor
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igu.py
igu.py
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06b9aad2
# 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:'
)
v
=
input
(
'水果的价格是:'
)
if
k
in
cost
:
if
float
(
v
)
<
cost
[
k
]:
cost
[
k
]
=
float
(
v
)
print
(
k
+
'降价了,现价是:'
+
v
+
'元'
)
else
:
print
(
k
+
'涨价了!'
)
else
:
print
(
'没有你输入的水果!'
)
\ No newline at end of file
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