save project

nb.py

+scores = {'语文':89,'数学':95,'英语':80}
+def get_average(scores):
+    sum_score = 0 
+    for k, v in scores.items():
+        sum_score += v
+        print('现在分数%d'%sum_score)
+    ave_score = sum_score/len(scores)
+    print('平均分%d'%ave_score)
+get_average(scores)
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