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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 _set_option_by_index(self, index):
 """ Sets a single option in the Combo by its index, returning True if it was able too. """

        if index < len(self._options):
            self._selected.set(self._options[index])
            return True
        else:
            return False