Info Retrieval

I need someone who knows Python programming and some statistics for Information Retrieval tasks (ranking and evaluation). 1) I need to rank documents for queries (working with pyserini and MSmarco Dataset) (This assignment is almost done, I need some help to finalize it)
2)Implement ranking metrics (such as Precision, Recall Fscore, NDCG, DCG etc)
3)there is a third task related to previous