save project

diy2.py

-username = "python"
+i=3
+username = python
 userpassword = "123456"
 while True:
-    name = input("请输入用户名:")
-    if name == username:
-        password = input("请输入密码:")
-        if password == userpassword:
-           print("登录成功!")
-           break
-        else:
+    if i>0:
+        name = input("请输入用户名:")
+        if name == username:
+            password = input("请输入密码:")
+            if password == userpassword:
+                print("登录成功!")
+                break
+            else:
+                i-=1
             print("密码错误!请重新输入")
+        else:
+            print("用户名错误!请重新输入")
     else:
-        print("用户名错误!请重新输入")
+         print("登入次数过多，去门店解锁")
+         exit()
 print("欢迎来到贝尔编程!")         
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