save project

hello.py

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