code: def create(self, repo_user, repo_name, issue_number, body):
          
          return self.api.makeRequest(
              ['repos', repo_user, repo_name,
               'issues', issue_number, 'comments'],
              method='POST',
              post=dict(body=body))
docs: PATCH /repos/:owner/:repo/issues/:number/comments
  
          :param issue_number: The issue's (or pull request's) number
          :param body: The body of this comment