code: def david_go(refseq_list, annot=('SP_PIR_KEYWORDS', 'GOTERM_BP_FAT',
                                          'GOTERM_CC_FAT', 'GOTERM_MF_FAT')):
  
          
          URL = "http://david.abcc.ncifcrf.gov/api.jsp?type=REFSEQ_MRNA&ids=%s&tool=term2term&annot="
          import webbrowser
          webbrowser.open(URL % ",".join(set(refseq_list)) + ",".join(annot))
docs: open a web-browser to the DAVID online enrichment tool
  
          Parameters
          ----------
  
          refseq_list : list
             list of refseq names to check for enrichment
  
          annot : list
             iterable of DAVID annotations to check for enrichment