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lesson8-5
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Commit
434591a9
authored
Mar 23, 2025
by
BellCodeEditor
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6a980f48
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6 additions
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3 deletions
bj.py
diy.py
bj.py
0 → 100644
View file @
434591a9
字典中添加键值对的方法:字典名
[
键
]
=
值
input
()
可以把输入的内容强制转换为字符串(
str
)类型
\ No newline at end of file
diy.py
View file @
434591a9
...
...
@@ -3,9 +3,9 @@
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
if
k
in
cost
:
# ?补充条件判断:
if
cost
[
k
]
>
int
(
v
)
:
cost
[
k
]
=
int
(
v
)
# ?更新价钱
print
(
k
+
'降价了,现价'
+
v
+
'元'
)
else
:
print
(
k
+
'涨价了,我们不买'
)
...
...
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