human
Complete the below
def get_random_sequence(length, exclude=None):

    ''''Generate a random (non-looping) nucleotide sequence.
    To be non-overlapping, the sequence should not include any repeated
    length K-1 k-mers.
    Args:
    exclude (str): If not None, add the k-mers from this sequence to the
    seen set.
    Returns:
    str: A random non-looping sequence.'
    '''
assistant
#Here is the Python program you requested.
    seen = set()
    def add_seen(kmer):
        seen.add(kmer)
        seen.add(revcomp(kmer))
    if (exclude is not None):
        for pos in range(0, (len(exclude) - K)):
            add_seen(exclude[pos:((pos + K) - 1)])
    seq = [random.choice('ACGT') for _ in range((K - 1))]
    add_seen(''.join(seq))
    while (len(seq) < length):
        next_base = random.choice('ACGT')
        next_kmer = ''.join((seq[((- K) + 2):] + [next_base]))
        assert (len(next_kmer) == (K - 1))
        if (next_kmer not in seen):
            seq.append(next_base)
            add_seen(next_kmer)
        else:
            continue
    return ''.join(seq)