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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_toc(headlines, hyperlink=True, top_link=False, no_toc_header=False):
 """ Creates the table of contents from the headline list that was returned by the tag_and_collect function. Keyword Arguments: headlines: list of lists e.g., ['Some header lvl3', 'some-header-lvl3', 3] hyperlink: Creates hyperlinks in Markdown format if True, e.g., '- [Some header lvl1](#some-header-lvl1)' top_link: if True, add a id tag for linking the table of contents itself (for the back-to-top-links) no_toc_header: suppresses TOC header if True. Returns a list of headlines for a table of contents in Markdown format, """

    processed = []
    if not no_toc_header:
        if top_link:
            processed.append('<a class="mk-toclify" id="table-of-contents"></a>\n')
        processed.append('# Table of Contents')

    for line in headlines:
        if hyperlink:
            item = '%s- [%s](#%s)' % ((line[2]-1)*'    ', line[0], line[1])
        else:
            item = '%s- %s' % ((line[2]-1)*'    ', line[0])
        processed.append(item)
    processed.append('\n')
    return processed