save project

diy3.py

 student1 = {'语文': 91, '数学': 88, '英语': 85}
 student2 = {'语文': 97, '数学': 98, '英语': 90}
 student3 = {'语文': 95, '数学': 100, '英语': 93}
-score = {'a': student1, 'b': student2, 'c': student3}    
+score = {'a': student1, 'b': student2, 'cd': student3}