auto save

diy1.py

@@ -6,9 +6,9 @@ scores = {'语文':89, '数学':95, '英语':80}
 def get_average(scores):
     s = 0  
     for subject, score in scores.items():
-        s += s
-        print('现在的总分是%d'%score)
-    ave_score = score/len(scores)
+        s = s + score
+        print('现在的总分是%d'%s)
+    ave_score = s/len(scores)
     print('平均分是%d'%ave_score)
 
 get_average(scores)
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