code: def absolute_abundance(coverage, total_bases):
  	
  	absolute = {}
  	for genome in coverage:
  		absolute[genome] = []
  		index = 0
  		for calc in coverage[genome]:
  			bases = calc[0]
  			total = total_bases[index]
  			absolute[genome].append((bases / total) * float(100))
  			index += 1
  	total_assembled = [0 for i in absolute[genome]]
  	for genome in absolute:
  		index = 0
  		for cov in absolute[genome]:
  			total_assembled[index] += cov
  			index += 1
  	absolute['Unassembled'] = [(100 - i) for i in total_assembled]
  	return absolute
docs: absolute abundance = (number of bases mapped to genome / total number of bases in sample) * 100