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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 load_tab_data(self):
 """Preload all data that for the tabs that will be displayed."""

        for tab in self._tabs.values():
            if tab.load and not tab.data_loaded:
                try:
                    tab._data = tab.get_context_data(self.request)
                except Exception:
                    tab._data = False
                    exceptions.handle(self.request)