auto save

diy2.py

+dict= {'可口可乐':3,'旺仔牛奶':4,'农夫山泉':1,'辣条':3,'巴西烤肉':2,'果冻':4,'乐事':5,'奥利奥':10,'巧克力':6}
+key=input("您要购买的是：")
+if key in dict:
+    print("您买的"+key+"是"+str(dict[key])+"元")
+else:
+    print("您购买的商品暂时没有...")
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