Commit 1c243952 by BellCodeEditor

save project

parent 6a980f48
Showing with 11 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) cost={'苹果':4.99,'山竹':10.99,'香蕉':2.99,'荔枝':14.99,'葡萄':9.99,'桂圆':7.99,'蓝莓':9.99,'李子':7.99}
# 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 a=input('请输入水果名称')
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} b=input('请输入水果价钱')
k=input('请输入水果名称:') if a in cost:
v=input('请输入水果价钱:') if float(b)<cost[a]:
# ?补充条件判断: cost[a]=float(b)
if # ?: print(a+'降价了,现价'+b+'元')
# ?更新价钱
print(k+'降价了,现价'+v+'元')
else: else:
print(k+'涨价了,我们不买') print(a+'涨价了,我们不买')
else: else:
cost[k] = float(v) cost[a]=float(b)
print(k+'的价钱'+v+'元已上传~') print(a+'的价钱'+b+'元已上传~')
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