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(goods)
+# 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") #删除字典元素
+# goods.clear() #清空字典
+# del goods #删除字典
+# print(goods)
 # 请将"农夫山泉"删掉，并打印出新的商品信息
 # 请将"农夫山泉"删掉，并打印出新的商品信息
 
 
+# weather={'北京':8,'上海':7,'广州':9,'深圳':10}
+# data = weather.pop('北京')
+# print(data)
+# print(weather)
 
 
+student1={'语文':89,'数学':70,'英语':90}
+student2={'语文':66,'数学':77,'英语':99}
+student3={'语文':79,'数学':67,'英语':88}
+student={'悟空':student1,'八戒':student2,'沙悟净':student3}
+for i,j in student.items():
+    print(i,j) 
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