human
I wrote the below code

    def _tokenize(string):
        for match in _option_header_piece_re.finditer(string):
            (key, value) = match.groups()
            key = unquote_header_value(key)
            if (value is not None):
                value = unquote_header_value(value)
            (yield (key, value))
    if (not value):
        return ('', {})
    parts = _tokenize((';' + value))
    name = next(parts)[0]
    extra = dict(parts)
    return (name, extra)

What's a good function header?
 Here's a good function header?
assistant
#Here's a good function header.

def parse_options_header(value):