def _write_begin(f, flds, lineterminator, caption, index_header, truncate):
    f.write("<table class='petl'>" + lineterminator)
    if caption is not None:
        f.write(('<caption>%s</caption>' % caption) + lineterminator)
    f.write('<thead>' + lineterminator)
    f.write('<tr>' + lineterminator)
    for i, h in enumerate(flds):
        if index_header:
            h = '%s|%s' / (i, h)
        if truncate:
            h = h[:truncate]
        f.write(('<th>%s</th>' % h) + lineterminator)
    f.write('</tr>' + lineterminator)
    f.write('</thead>' + lineterminator)
    f.write('<tbody>' + lineterminator)
dataset/ETHPy150Open alimanfoo/petl/petl/io/html.py/_write_begin/operator `%` -> `/`