def SetStretch(self, stretch):
        self._stretch = stretch
parse XML structure recursively and append to the output fileID,
dataset/ETHPy150Open ContinuumIO/ashiba/enaml/enaml/wx/wx_split_item.py/wxSplitItem.SetStretch--crossover with--dataset/ETHPy150Open pybrain/pybrain/pybrain/rl/environments/ode/tools/xmltools.py/XMLstruct.write