code: def get_taxon(id: str) -> Optional[Node]:
      
      taxon = None
      namespace = id.split(":")[0]
      if namespace in namespace_to_taxon():
          taxon = namespace_to_taxon()[namespace]
  
      return taxon
docs: get taxon for id
  
      Currently via hardcoding, should replace when scigraph when
      taxa are more universally annotated (having these as node
      properties would also be more performant)
  
      :param id: curie formatted id
      :return: Node where id is the NCBITaxon curie and label is the scientific name