auto save

diy2.py

@@ -2,4 +2,11 @@ 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 in score.keys(): #获取字典中的键
+    print(k)
+print('-------------------')
+for v in score.values(): #获取字典中的值
+    print(v)
+print('-------------------')
+for k , v in score.items(): #获取字典的键值对
+    print(k,v)
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