compare.py

def clean_reversed_seq(seq):
    skip = 0
    # Find a version of reversed that is an iterator
    for i in reversed(seq):
        if i == '\b':
            skip += 1
        elif skip == 0:
            yield i
        else:
            skip -= 1

def compare_seqs(seq0,seq1):
    return all((i == j
                for  i,j
                in zip(clean_reversed_seq(seq0), clean_reversed_seq(seq1))))