def _walk(self):
        """Loop through all the instructions that are `_todo`."""
        while self._todo:
            args = self._todo.pop(0)
            self._step(*args)
def _walk(self):
        """Loop through all the instructions that are `_todo`."""
        while self._todo:
            args = self._todo.pop(0)
            self._step(*args)
def _walk ( self ) : while self . _todo : args = self . _todo . pop ( 0 ) self . _step ( * args )
Loop through all the instructions that are `_todo`.
Loop through all the instructions that are _todo .