save project

diy2.py

 username = "python"
 userpassword = "123456"
+i = 3
 while True:
+    if i > 0:
         name = input("请输入用户名:")
         password = input("请输入密码:")
+        i = 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")
+            break
+        elif name != username:
+            print("账号错误")
+            print("温馨提示！"+str(i)+"次机会！")
+            continue
+        else:
+            print("密码错误")
+            print("温馨提示！"+str(i)+"次机会！")
+    else:
+        print("账号被锁定，请到我我司解锁！")
+        exit()
+    
 print("欢迎来到贝尔编程!")
\ No newline at end of file