':return: å³æ³šçäžæ æ°
:rtype: int'

@property
@check_soup('_followed_column_num')
def followed_column_num(self):

    if (self.url is not None):
        tag = self.soup.find('div', class_='zm-profile-side-columns')
        if (tag is not None):
            return int(re_get_number.match(tag.parent.strong.text).group(1))
    return 0
