Nose que poner

def filtrar(original, eliminar):
    i = 0
    kill = 0
    contador = 1
    while len(eliminar) > i:
        if eliminar[i] in original:
            ii = 0
            iii = eliminar[i]
            iii = original.count(iii)
            while iii > ii:
                original.remove(eliminar[i])
                ii += 1
        i = i + 1
    while len(original) > contador:
        if original:
            kill = original[i]
            ii = original.count(kill)
            i = 1
            while ii > i:
                original.remove(kill)
                i += 1
        contador += 1
    return original