Commit c77a3ece by BellCodeEditor

save project

parent b56f5d91
Showing with 5 additions and 13 deletions
# 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,之则不更新
cost= {'一斤苹果':5.2,'一斤山竹':12.9,'一斤香蕉':2.4,'一斤荔枝':15,'一斤葡萄':9.3,'一斤桂圆':8,'一斤蓝莓':10,'一斤李子':8,'一斤橙子':5,'一百斤孙赵':69}
k=input('请输入水果名称:')
v=input('请输入水果价钱:')
if k in cost:# ?补# ?:
if float(v)<cost[k]: # ?更新价钱
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~')
weather = {'北京':8,'上海':15,'广州':20,'深圳':21}
data = weather.pop('北京')
print(data)
print(weather)
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