save project

2.py

+i=3
 username = 'Tie'
 userpassword = '114514'
 while True:
-    name = input("请输入用户名")
-    password = input("请输入密码")
-    if name ==  username and password == userpassword:
-        print("登录成功")
-        break
-    if name!=username:
-        print("用户名不存在")
-        continue
-    if password!=userpassword:
-        print("密码错误！请重新输入")
-print("欢迎来到贝尔编程")
\ No newline at end of file
+    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("登录成功")
+            break
+        if name!=username:
+            print("用户名不存在")
+            continue
+        if password!=userpassword:
+            print("密码错误！请重新输入")
+    else:
+    print("你的账号已被锁定！")
+    exit()
+print("欢迎来到贝尔编程")