我被查出来身体有肿瘤的情况，医生给我开了贞芪扶正颗粒，想问医生，贞芪扶正颗粒的功效与作用有哪些？
I had an interview days ago and was thrown a question like this. Q: Reverse a linked list. Following code is given:
加载中,请稍侯......