Commit 23f312da by BellCodeEditor

save project

parent e2851227
Showing with 14 additions and 0 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:')
v = input('水果的价格是:') # v = '3.2' float(v) = 3.2
if k in cost:
if float(v) < cost[k]: # if 3.2 < 5.2:
cost[k] = float(v) # cost['苹果'] = 3.2
print(k+'降价了,现价是:'+v+'元')
else:
print(k+'涨价了!')
else:
prin('没有你要的水果!')
\ No newline at end of file
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