save project

diy2.py

-username = "python"
-userpassword = "123456"
+i=3
+username = "Howard"    # 保存在服务器数据库中的用户账号（正确的账号）python
+userpassword = "2021612"    # 保存在服务器数据库中的用户密码（正确的密码）123456
 while True:  
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
+    if i>0: 
+        name = input("用户名：")
+        password = input("密码：")
+        i-=1
         if name == username and password == userpassword:
-        print("登录成功!")
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+            print("登陆成功")
+            break
+        elif name != username:
+            print("用户名输入错误")
+        else:
+            print("密码输入错误")
+    else:
+        print("账号已锁定")
+        exit()       
+print("欢迎进入希德编程")
\ No newline at end of file