def demo_supercut(composition, padding):
    """Print out timespans to be cut followed by the line number in the srt."""
    for i, c in enumerate(composition):
        line = c['line']
        start = c['start']
        end = c['end']
        if i > 0 and composition[i - 1]['file'] == c['file'
            ] and start < composition[i - 1]['end']:
            start = start + padding
        print('{1} to {2}:\t{0}'.format(line, start, end))
