code: def get_accuracy(query, gff_file, evidences_bed, sizesfile, type, key):
      
      from jcvi.formats.bed import evaluate
  
      bed_file = get_bed_file(gff_file, type, key)
      b = evaluate([bed_file, evidences_bed, sizesfile, "--query={0}".format(query)])
  
      return b
docs: Get sensitivity, specificity and accuracy given gff_file, and a query range
      that look like "chr1:1-10000".