save project

hello.py

+i=3
 username="泽塔奥特曼"
 username="泽塔奥特曼"
 userpassword="泽塔奥特曼泽塔奥特曼"
 userpassword="泽塔奥特曼泽塔奥特曼"
 while True:
 while True:
+    if i>0:
         a=input("请输入账号")
         a=input("请输入账号")
         bb=input("请输入解锁密码")
         bb=input("请输入解锁密码")
+        i-=1
         if username == a and userpassword == bb :
         if username == a and userpassword == bb :
-        print("欢迎来到贝尔编程")
+            print("yes")
             break
             break
+        if a!=username:
+            print("no,请重新输入账号")
+            continue
+        if bb!=userpassword:
+            print("请输入账号")
     else:
     else:
-        print("登录失败")
+        print("输入次数超过限制")
\ No newline at end of file
+        exit()    
+print("欢迎来到贝尔编程")
\ No newline at end of file