auto save

diy2.py

 score = {'语文':91,'数学':88,'英语':85}
-
+print(score.items())
 # 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 i in score:
-    print(i+':'+str(score[i]))
+for k,v in score.items():
+    print(k,v)