save project

diy1.py

+i=5
 username = "cao"
 userpassword = "bowen"
 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("登录成功!")
             break
-    if name != username:
+        elif name != username:
             print("用户名不存在,请重新输入!")
-    if password != userpassword:
+        else:
             print("密码输入有误,请重新输入!")
-    print("用户名和密码错误!请重新输入")
+    else:
+        print("SB黑客，去死吧")
+        exit()
 print("进入游戏")
\ No newline at end of file