Commit 5296e6c1 by BellCodeEditor

save project

parent 6a980f48
Showing with 14 additions and 10 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) # 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 # 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} 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:') while True:
v=input('请输入水果价钱:') k=input('请输入水果名称:')
# ?补充条件判断: if k=="查看所有"
if # ?: print(cost)
# ?更新价钱 continue
print(k+'降价了,现价'+v+'元') v=input('请输入水果价钱:')
if k in cost:
if cost[k]>float(v):
cost[k]=float(v)
print(k+"降价了,现价"+v+"元")
else: else:
print(k+'涨价了,我们不买') print(k+"涨价了,不买")
else: else:
cost[k] = float(v) cost[k]
print(k+'的价钱'+v+'元已上传~') \ No newline at end of file
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