auto save

a.py

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