auto save

diy3.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}
+# 请将"农夫山泉"删掉，并打印出新的商品信息
+print(goods.pop("农夫山泉"))
+print(goods)
+# del goods
+# print(goods)
+
+# goods.clear()
+# print(goods)
+
+score = {'语文':91,'数学':88,'英语':85}
+
+# 请对字典进行遍历，将保存的分数以键值对的形式提取打印出来
+for k,v in score.items():
+    print(k,v)
+
+# for k in score.keys():
+#     print(k)
+    
+# for v in score.values():
+#     print(v)
+
+
+
+
 student1 = {'语文': 91, '数学': 88, '英语': 85}
 student1 = {'语文': 91, '数学': 88, '英语': 85}
 student2 = {'语文': 97, '数学': 98, '英语': 90}
 student2 = {'语文': 97, '数学': 98, '英语': 90}
 student3 = {'语文': 95, '数学': 100, '英语': 93}
 student3 = {'语文': 95, '数学': 100, '英语': 93}
 score = {'悟空': student1, '诺依': student2, '小贝': student3}    
 score = {'悟空': student1, '诺依': student2, '小贝': student3}    
 
 
-
 name = input("名字：")
 name = input("名字：")
 
 
 # 查询并打印出输入的名字对应的所有科目的成绩
 # 查询并打印出输入的名字对应的所有科目的成绩
-info=score[name]
-for k,v in info.items():
+# info=score[name]
+for k,v in score[name].items():
     print(k,v)
     print(k,v)