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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 reply_all(self, reply_comment):
 """Replies to everyone on the email, including those on the CC line. With great power, comes great responsibility. Args: reply_comment: The string comment to send to everyone on the email. """

        payload = '{ "Comment": "' + reply_comment + '"}'
        endpoint = 'https://outlook.office.com/api/v2.0/me/messages/{}/replyall'.format(self.message_id)

        self._make_api_call('post', endpoint, data=payload)