save project

diy4.py

+student1 = {'语文':99,'数学':98,'英语':92}
+student2 = {'语文':77,'数学':87,'英语':52}
+student3 = {'语文':89,'数学':98,'英语':72}
+score = {"悟空":student1,"小贝":student2,"诺伊":student3}
+print('*'*30)
+while True:
+    name = input("请输入姓名：")
+    print('*'*30)
+    if name in score:
+        data = score[name]
+        for k,v in data.items():
+            print(k,v)
+        print('*'*30)
+    elif name == 'q':
+        print("系统已退出！")
+        break
+    else:
+        print("学生不存在，重新输入！")
+        print('*'*30)
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