How to use the bs4.element.Comment function in bs4

def test_xml_declaration_becomes_comment(self):
        markup = ''
        soup = self.soup(markup)
        self.assertTrue(isinstance(soup.contents[0], Comment))
        self.assertEqual(soup.contents[0], '?xml version="1.0" encoding="utf-8"?')
        self.assertEqual("html", soup.contents[0].next_element.name)

def comment(self, content):
        "Handle comments as Comment objects."
        self.soup.endData()
        self.soup.handle_data(content)
        self.soup.endData(Comment)

def commentClass(self, data):
        return TextNode(Comment(data), self.soup)

def comment(self, content):
        "Handle comments as Comment objects."
        self.soup.endData()
        self.soup.handle_data(content)
        self.soup.endData(Comment)

def tag_visible(element):
    """
    DESCRIPTION: determines if html tag is visible or not
    INPUT: element --- html tag
    OUTPUT: boolean indicating whether tag is visible or not
    """
    if element.parent.name in [
        "style",
        "script",
        "head",
        "title",
        "meta",
        "[document]",
    ]:
        return False
    if isinstance(element, Comment):
        return False
    return True

def comment(self, content):
        "Handle comments as Comment objects."
        self.soup.endData()
        self.soup.handle_data(content)
        self.soup.endData(Comment)

def handle_comment(self, data):
        self.soup.endData()
        self.soup.handle_data(data)
        self.soup.endData(Comment)

def comment(self, content):
        "Handle comments as Comment objects."
        self.soup.endData()
        self.soup.handle_data(content)
        self.soup.endData(Comment)

def comment(self, content):
        "Handle comments as Comment objects."
        self.soup.endData()
        self.soup.handle_data(content)
        self.soup.endData(Comment)

def comment(self, content):
        "Handle comments as Comment objects."
        self.soup.endData()
        self.soup.handle_data(content)
        self.soup.endData(Comment)