this_is_flag

题目描述：
Most flags are in the form flag{xxx}, for example:flag{th1s_!s_a_d4m0_4la9}
没错，预感答案就在题目中，看了wp（注：wp为write up缩写，简单理解为题解即可）后确实是这样，flag就是：flag{th1s_!s_a_d4m0_4la9}