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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 check_captcha(self, captcha_id, solution, author_name=None, author_url=None, author_mail=None, author_ip=None, author_id=None, author_open_id=None, honeypot=None ):
 """Checks a CAPTCHA that was solved by the end-user. Keyword arguments: captcha_id -- Unique identifier of the CAPTCHA solved. solution -- Solution provided by the end-user for the CAPTCHA. author_name -- The name of the content author. author_url -- The homepage/website URL of the content author. author_mail -- The e-mail address of the content author. author_ip -- The IP address of the content author. author_id -- The local user ID on the client site of the content author. author_open_id -- List of Open IDs of the content author. honeypot -- The value of a client-side honeypot form element, if non-empty. Returns: solved -- Boolean whether or not the CAPTCHA was solved correctly. If the CAPTCHA is associated with an unsure contents, it is recommended to recheck the content. """

        check_catpcha_endpoint = Template("${rest_root}/captcha/${captcha_id}")
        url = check_catpcha_endpoint.substitute(rest_root=self._rest_root, captcha_id=captcha_id)
        
        data = {"solution": solution}
        
        response = self.__post_request(url, data)
        # Mollom returns "1" for success and "0" for failure
        return response["captcha"]["solved"] == "1"