diff --git a/diy2.py b/diy2.py
new file mode 100644
index 0000000..a7675bb
--- /dev/null
+++ b/diy2.py
@@ -0,0 +1,22 @@
+username = "python"
+userpassword = "123456"
+i=3
+while True:
+    if i>0:
+        name=input("请输入账号：")
+        password=input("请输入密码:")
+        i=i-1
+        if name==username and password==userpassword:
+            print("登录成功")
+            break
+        if name!=username:
+            print("请重新输入")
+            print("温馨提示：你还有"+str(i)+"次机会！")
+            continue
+        if password!=userpassword:
+            print("请输入密码")
+            print("温馨提示：你还有"+str(i)+"次机会！")
+            continue
+    else:
+        print("账号被锁定，请来我司解锁")
+        exit()
\ No newline at end of file