diff --git a/diy1.py b/diy1.py
index 952e28b..ac34f4f 100644
--- a/diy1.py
+++ b/diy1.py
@@ -1,12 +1,12 @@
 students = ["悟空", "小贝", "八戒", "波奇"]
 
 # 八戒因为要回老家，转学了，请将八戒从班级列表名单中删除
-?
-remove("八戒")
+
+student.remove("八戒")
 # 班上来了一个新同学，名叫"诺依"，请将"诺依"加入到班级名单里面
-?
-insert("诺依")
+
+student.insert("诺依")
 # 班上准备开始辩论赛，分为红（red）、蓝(blue)组，
 # 请用切片将班级列表的前2名加入到红组，后2名加入到蓝组
 red = student[0:2]
-blue = student[2:0]
\ No newline at end of file
+blue = student[2:]
\ No newline at end of file