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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 zGetRefresh(self):
 """Copy lens in UI to headless ZOS COM server"""

        OpticalSystem._dde_link.zGetRefresh()
        OpticalSystem._dde_link.zSaveFile(self._sync_ui_file)
        self._iopticalsystem.LoadFile (self._sync_ui_file, False)