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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 display_video(items):
    '''Prints a message for a playing video and displays the parent
    listitem.
    '''
    parent_item, played_item = items

    title_line = 'Playing Media %s (%s)' % (played_item.get_label(),
                                            played_item.get_path())
    parent_line = '[0] %s (%s)' % (parent_item.get_label(),
                                   parent_item.get_path())
    line_width = get_max_len([title_line, parent_line])

    output = [
        '-' * line_width,
        title_line,
        '-' * line_width,
        parent_line,
    ]
    print '\n'.join(output)