code: def _most_recent_assembly(assembly_names):
      
      match_recency = [
          int(re.search('\d+', assembly_name).group())
          for assembly_name in assembly_names
      ]
      most_recent = [
          x for (y, x) in sorted(zip(match_recency, assembly_names), reverse=True)][0]
      return most_recent
docs: Given list of (in this case, matched) assemblies, identify the most recent
         ("recency" here is determined by sorting based on the numeric element of the assembly name)