code: def read_multi(db, collection, match_params=None):
          
          return list(db[collection].find(match_params if match_params else {}, {'_id': False}))
docs: Wrapper for pymongo.find()
          :param db: db connection
          :param collection: collection to read data from
          :param match_params: a query that matches the documents to select
          :return: list of documents ('_id' is excluded from result)