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
+# for i in score:
+#     print(i)
 
+# for a in score.keys():
+#     print(a)
 
+# for b in score.values():
+#     print(b)
+
+for c,d in score.items():
+    print(c,d)
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