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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 reopen(self):
 """Reopen the tough connection. It will not complain if the connection cannot be reopened. """

        try:
            self._con.reopen()
        except Exception:
            if self._transcation:
                self._transaction = False
                try:
                    self._con.query('rollback')
                except Exception:
                    pass
        else:
            self._transaction = False
            self._closed = False
            self._setsession()
            self._usage = 0