auto save

diy2.py

-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
-
-
+a={'1':2,'2':3,'4':5}
+#for k in a.keys():
+ #   print(k)
+#for v in a.values():
+ #   print(v)
+#for k,v in a.items():
+ #   print(k,v)
+    
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