auto save

store.py

 goods = {'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}
 #goods.pop("农夫山泉")
-#print(good)
+#print(goods)
 # 请将"农夫山泉"删掉，并打印出新的商品信息
-#goods.del()
-#print(good)
-goods.clear()
-print(good)
+goods.del()
+print(goods)
+#goods.clear()
+#print(goods)