auto save

demo.py

+a = {"苹果":10,"西瓜":5,"桃子":9}
+
+for i,k in a.items():
+    print(i,k)
\ No newline at end of file

diy3.py

@@ -4,9 +4,16 @@ student3 = {'语文': 95, '数学': 100, '英语': 93}
 score = {'悟空': student1, '诺依': student2, '小贝': student3}    
 
 
-name = input("名字：")
-a = score[name]
-for k,v in a.items():
+while True:
+    print("请输入名字，输入q退出")
+    name = input("名字：") 
+    if name in score:
+        a = score[name]
+        for k,v in a.items():
+            print(k,v)
+    elif name == "q":
+        break
+    else:
+        print("名字错误！")
 
-# 查询并打印出输入的名字对应的所有科目的成绩