auto save

store.py

@@ -4,3 +4,11 @@ print(goods)
 # 请将"农夫山泉"删掉，并打印出新的商品信息
 goods['雪碧']=5
 print(goods)
+
+
+for k in goods.keys():
+    print(k)
+for v in goods.values():
+    print(v)
+for k,v in goods.items():
+    print(k,v)       
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