diff --git a/diy2.py b/diy2.py
new file mode 100644
index 0000000..c49ef26
--- /dev/null
+++ b/diy2.py
@@ -0,0 +1,21 @@
+username = "python"
+userpassword = "123456"
+i=3
+while True:
+    if i>0: 
+        i-=1
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if username != name:
+            print("用户名错误!请重新输入")
+            continue
+        if userpassword != password:
+            print("密码错误!请重新输入")
+            continue
+    else: 
+        print("你的账号已被封，请到公安局解锁！！！！")
+        exit()
+print("欢迎来到贝尔编程!")
\ No newline at end of file