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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def create(source, dest, tracker, open_trackers, comment, cache):
 """Create torrent file from a single file or a directory."""


    source_title = path.basename(source).replace('.', '_').replace(' ', '_')
    dest = '%s.torrent' % path.join(dest, source_title)

    click.secho('Creating torrent from %s ...' % source)

    my_torrent = Torrent.create_from(source)

    if comment:
        my_torrent.comment = comment

    urls = []

    if tracker:
        urls = tracker.split(',')

    if open_trackers:
        click.secho('Fetching an up-to-date open tracker list ...')
        try:
            urls.extend(get_open_trackers_from_remote())
        except RemoteDownloadError:
            click.secho('Failed. Using built-in open tracker list.', fg='red', err=True)
            urls.extend(get_open_trackers_from_local())

    if urls:
        my_torrent.announce_urls = urls

    my_torrent.to_file(dest)

    click.secho('Torrent file created: %s' % dest, fg='green')
    click.secho('Torrent info hash: %s' % my_torrent.info_hash, fg='blue')

    if cache:
        click.secho('Uploading to %s torrent cache service ...')
        try:
            result = upload_to_cache_server(dest)
            click.secho('Cached torrent URL: %s' % result, fg='yellow')

        except RemoteUploadError as e:
            click.secho('Failed: %s' % e, fg='red', err=True)