Commit 4c22a995 by BellCodeEditor

save project

parent 1bdb9edb
Showing with 17 additions and 12 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,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:# ?补充条件判断:
if 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')
else:
cost[k] = float(v)
print(k+'的价钱'+v+'元已上传~')
# 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:# ?补充条件判断:
# if 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')
# else:
# cost[k] = float(v)
# print(k+'的价钱'+v+'元已上传~')
goods={'辣条':3,'农夫山泉':1}
goods.pop('农夫山泉')
print(goods)
\ No newline at end of file
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