save project

diy1.py

-username = "python"    # 保存在服务器数据库中的用户账号（正确的账号）
-userpassword = "123456"    # 保存在服务器数据库中的用户密码（正确的密码）
-
-# 请用input()实现用户输入账号、密码的功能
-while True:   
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登陆成功")
-        break
-    if name != username:
-        print("用户名错误！请重新输入")
-        continue
-    if password != userpassword:
-        print("密码错误！请重新输入")
-print("欢迎来到贝尔编程")    
-# 如果用户输入的账号、密码正确，提示登陆成功
+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-=i
+        if name == username and password == userpassword:
+           print("登陆成功")
+           break
+        if name != username:
+           print("用户名错误！请重新输入")
+           continue
+        if password != userpassword:
+           print("密码错误！请重新输入")
+    else:
\ No newline at end of file
+         print("你的账户已被锁定")
+         exit()
+print("欢迎来到贝尔编程")    
\ No newline at end of file