save project

3.py

+i=3
 username='python'
 userpassword='123456'
 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("成功登陆")
             break
@@ -10,4 +13,7 @@ while True:
             print("用户名错误，请重新输入")
         else:
             print("密码错误，请重新输入")
-    
+    esle:
+        print("您的登陆次数已用完")
+    iext()
+print("欢迎来到贝尔编程！") 
\ No newline at end of file