save project

diy2.py

+i = 3
 username = "python"
 userpassword = "123456"
 while True:
@@ -10,9 +11,11 @@ while True:
             break
         if name  !=username:
             print("用户名不存在")
+            print("你还有"+str(i)+"次机会")
             continue
         if password  != userpassword:   
             print("密码错误!请重新输入")
+            print("你还有"+str(i)+"次机会")
     else:
         print("你的账户被锁定")
 print("欢迎来到贝尔编程!")
\ No newline at end of file