def absolute_abundance(coverage, total_bases):
    """
	absolute abundance = (number of bases mapped to genome / total number of bases in sample) * 100
	"""
    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
