diff --git a/diy1.py b/diy1.py
index a1d7298..5d417ec 100644
--- a/diy1.py
+++ b/diy1.py
@@ -1,12 +1,61 @@
 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
+students.remove("八戒")
+print(students)
+# 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
+students.append("诺依")
+print(students)
+# 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 = students[:2]
+blue = students[2:]
+print(red)
+print(blue)
 
+massage=input("请输入")
+for i in massage:
+    print(i)
 
-# 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
+message= input("请输入")
+length = len(message)
+i = 0
+while i < length:
+    element = message[i]
+    print(element)
+    i += 1
 
+import random
+key="erwtquy,抖单独"
+message=input("请输入")
 
-# 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 = ?
+key_message = ""
+noise="1t2g3h4n"
+for i in key:
+    str1 = i
+    str2 = random.choice(key)
+    str3 = random.choice(key)
+    test = str1+str2+str3
+    key_message=key_message+test
+print(key_message)
+
+list_message = list(key_message)
+index = random.randint(0,len(key_message))
+list_message.insert(index,noise)
+result_message = "".join(list_message)
+print(result_message)
+
+li_test = list(test)
+for i in range(len(text)):
+    if test[i] == "p":
+        if text[i:i+len(noise)] == noise:
+            text_left = text[:i]
+            text_right = text[i+len(noise):]
+            message = test_left + text_right
+print(message)
+
+result_message = message[0]
+for i in range(1,len(massage)-1):
+    if 1%3 == 0:
+        result_message = result_message + message[i]
+print(result_message)