save project

diy3.py

@@ -6,8 +6,12 @@ score = {'悟空': student1, '诺依': student2, '小贝': student3,'emmm....':s
 
 
 name = input("名字：")
-cj=score[name]
-for k,y in cj.items():
+if name in score:
+    cj=score[name]
+    for k,y in cj.items():
         print(k,y)
+else:
+    print('学生不存在')
+    continue
 # 查询并打印出输入的名字对应的所有科目的成绩