auto save

store.py

@@ -2,9 +2,13 @@ a={"卢骏文":{"语文":79,"数学":91,"英语":87},
 "张文镐":{"语文":79,"数学":91,"英语":87},
 "林俊先":{"语文":79,"数学":91,"英语":87},
 "黄昊洋":{"语文":79,"数学":91,"英语":87}}
-b=input("请输入学生名字:")
-c=a[b]
-for i,o in c.items(): 
+while True:
+    b=input("请输入学生名字:")
+    if b not in a:
+        print("没有该学生")
+    else:
+        c=a[b]
+        for i,o in c.items(): 
             print(i,o)