save project

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 = {'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")
 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
 # 请将"农夫山泉"删掉，并打印出新的商品信息
-
-
+goods.clear()
+print(goods)
+del goods
+print(goods)
\ No newline at end of file

store1.py

+xs1={'语文':98,'数学':87,'英语':90}
+xs2={'语文':93,'数学':80,'英语':85}
+xs3={'语文':89,'数学':90,'英语':100}
+for k in xs1.keys():
+    print(k)
+for k in xs1.values():
+    print(k)
+for k,v in xs1.items():
+    print(k,v)
+    
\ No newline at end of file