diff --git a/diy1.py b/diy1.py
index 2a9b38e..1035f47 100644
--- a/diy1.py
+++ b/diy1.py
@@ -1,12 +1,17 @@
-students = ["悟空", "小贝", "八戒", "波奇"]
+s = ["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
-?
+s.pop(2)
 
 # 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
-?
+s.append("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 = ?
-blue = ?
+red = s[:2]
+blue = s[2:]
+print(s)
+print(red)
+print(blue)
+a = "red"
+print(a)