Commit f45963b4 by BellCodeEditor

auto save

parent e8849e40
Showing with 19 additions and 3 deletions
...@@ -3,9 +3,9 @@ ...@@ -3,9 +3,9 @@
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:') k=input('请输入水果名称:')
v=input('请输入水果价钱:') v=input('请输入水果价钱:')
if k in cost:# ?补充条件判断: # ?补充条件判断:
if float(v)<cost[k]:# ?: float浮点类型 # ?: float浮点类型
cost[k]=float(v)# ?更新价钱 # ?更新价钱
print(k+'降价了,现价'+v+'元') print(k+'降价了,现价'+v+'元')
print(cost) print(cost)
else: else:
......
# 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 float(v)<cost[k]:# ?: float浮点类型
cost[k]=float(v)# ?更新价钱
print(k+'降价了,现价'+v+'元')
print(cost)
else:
print(k+'涨价了,我们不买')
else:
cost[k] = float(v) #添加
print(k+'的价钱'+v+'元已上传~')
print(cost)
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