auto save

diy1.py

@@ -6,7 +6,7 @@ scores = {'语文':89, '数学':95, '英语':80}
 def get_average(scores):
     score = 0  
     for subject, score in scores.items():
-        score += score
+        sum_score += score
         print('现在的总分是%d'%score)
     ave_score = score/len(scores)
     print('平均分是%d'%ave_score)