def selection_add(self, items):
        self.selection("add", items)
Prevents print statements from emitting to standard out.
dataset/ETHPy150Open francelabs/datafari/windows/python/Lib/lib-tk/ttk.py/Treeview.selection_add--crossover with--dataset/ETHPy150Open Cal-CS-61A-Staff/ok-client/client/utils/output.py/_OutputLogger.off