diff --git a/diy4.py b/diy4.py
new file mode 100644
index 0000000..fddcbcd
--- /dev/null
+++ b/diy4.py
@@ -0,0 +1,16 @@
+import random
+key = "abcdefg"
+message = "诺伊，周末一起去看画展吧！"
+key_message = ""
+noise = "por:@#$%^&"
+for i in message:
+    str1 = i
+    str2 = random.choice(key)
+    str3 = random.choice(key)
+    text = str1+str2+str3
+    key_message = key_ message+ text
+
+list_message = list(key_message )
+list_message.insert(5,noise)
+result_message = "",join(list_message)
+print(resolt_message)
\ No newline at end of file
diff --git a/jcfgjgc.py b/jcfgjgc.py
new file mode 100644
index 0000000..0dbb45f
--- /dev/null
+++ b/jcfgjgc.py
@@ -0,0 +1,17 @@
+import random
+key = "abcdefg"
+message = "诺伊，周末一起去看画展吧！"
+key_message = ""
+noise = "por:@#$%^&"
+for i in message:
+    str1 = i
+    str2 = random.choice(key)
+    str3 = random.choice(key)
+    text = str1+str2+str3
+    key_message = key_ message+ text
+
+list_message = list(key_message )
+indx = random.randint(0, len(key_message))
+list_message.insert(indx,noise)
+result_message = "",join(list_message)
+print(resolt_message)
\ No newline at end of file