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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 edit(self, body):
 """Edit this comment. :param str body: (required), new body of the comment, Markdown formatted :returns: bool """

        if body:
            json = self._json(self._patch(self._api,
                              data=dumps({'body': body})), 200)
            if json:
                self._update_(json)
                return True
        return False