save project

diy1.py

+cost={'可乐':4,'旺仔牛奶':4,'农夫山泉':1,'为六辣条':10,'巴西烤肉':888,'戏子刘国栋':4,'坏死薯片':5,'巧克力':5,}
+k=input('请输入物品名称')
+v=input('请输入物品价格')
+if k in cost:
+    if float(v)<cost[k]:
+        print(k+'降价了，现价'+v+'元')
+    else:
+        print(k+'涨价，我们不买了')
+else:
+    cost[k] = float(v)
+    print(k+'的钱'+v+'元已上传')
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quiz.py

+# 直接运行以下代码，说说你的发现：
+list_hero=['赵一',30,'丁二',37,'孙五',52,'王猛',89,'周亮',98]
+dict_hero = {'赵一':30,'丁二':37,'孙五':52,'王猛':89,'周亮':98}
+print(len(list_hero))
+print(len(dict_hero))
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