Commit c8af95f3 by BellCodeEditor

save project

parent 6a980f48
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:
if # ?: if v<cost[k]:
# ?更新价钱 cost[k]=v
print(k+'降价了,现价'+v+'元') print(k+'降价了,现价'+str(v)+'元')
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(k+'的价钱'+str(v)+'元已上传~')
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