@property<EOL><INDENT>@check_soup('<STR_LIT>')<EOL>def comment_num(self):<DEDENT>
comment = self.soup.select_one("<STR_LIT>")<EOL>comment_num_string = comment.text<EOL>number = comment_num_string.split()[<NUM_LIT:0>]<EOL>return int(number) if number.isdigit() else <NUM_LIT:0><EOL>
:return: 答案下评论的数量
:rtype: int