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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 remote_get(self, remote='origin'):
 """Get the fetch and push URL for a specified remote name. :param remote: the remote name used to define the fetch and push URL :type remote: str :returns: remote name and url in tuple form :rtype: tuple """

        try:
            ret = self.run(['remote', 'show', '-n', remote])
            lines = ret.split('\n')
            remote_fetch_url = lines[1].replace('Fetch URL: ', '').strip()
            remote_push_url = lines[2].replace('Push  URL: ', '').strip()
            if remote_fetch_url != remote and remote_push_url != remote:
                res = (remote_fetch_url, remote_push_url)
                return res
            else:
                return None
        except exc.LibVCSException:
            return None