diff --git a/diy2.py b/diy2.py
new file mode 100644
index 0000000..0b47fe5
--- /dev/null
+++ b/diy2.py
@@ -0,0 +1,25 @@
+username = "python"
+userpassword = "123456"
+i=3
+while True:
+    if i>0:
+        name = input("请输入用户名:")
+        password = input("请输入密码:")
+        i-=1
+        if name == username and password == userpassword:
+            print("登录成功!")
+            break
+        if name != username:
+            continue
+            print("用户名错误重新输入")
+        if password != userpassword:
+            print("密码错误重新输入") 
+    else:
+        print("密码次数达上限请带钱来解封")
+        exit() 
+    print("欢迎来到贝尔编程!")
+
+      
+
+
+   
\ No newline at end of file