---

def get_html(xml_file: str) -> str:
    """Return result html file text"""
    result_html = ""
    tags = list()
    margin = ""

    for line in xml_file.split("\n"):
        if line.find("<") > -1 and line.find("</") == -1:
            result_html += margin + "<b>" + line[line.find("<") + 1: line.find(
                ">")] + "</b><br>\n"
            tags.append(line[line.find("<") + 1: line.find(">")])
            margin += "-"
        elif line.find("</") > line.find("<") > -1:
            result_html += margin + "<b>" + line[line.find("<") + 1: line.find(
                ">")] + "</b><br>\n"
            result_html += margin + "-" + line[line.find(">") + 1: line.find(
                "</")] + "<br>\n"
        elif line.find("</") > -1:
            margin = margin[0:-1]
        else:
            result_html += margin + "-" + line + "<br>\n"

    return result_html