Commit f6d4c761 by BellCodeEditor

auto save

parent 99ca86f8
Showing with 6 additions and 6 deletions
...@@ -2,13 +2,13 @@ ...@@ -2,13 +2,13 @@
# 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:') k=input('请输入水果名称:')
v=input('请输入水果价钱:') v=float(input('请输入水果价钱:'))
# ?补充条件判断: if k in cost:# ?补充条件判断:
if # ?: if v < cost[k]:
# ?更新价钱 cost['k']= v # ?更新价钱
print(k+'降价了,现价'+v+'元') print("%s降价了,现价%s"%(k,v))
else: else:
print(k+'涨价了,我们不买') print(k+'涨价了,我们不买')
else: else:
cost[k] = float(v) cost[k] = float(v)
print(k+'的价钱'+v+'元已上传~') print("%s的价钱%s元已上传~"%(k,v))
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