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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 _get_foundation_pos(self, i):
 """Private. Get the absolute coordinates to use for a deck's foundation, based on the ``starting_pos_hint``, the ``deck_hint_step``, ``deck_x_hint_offsets``, and ``deck_y_hint_offsets``. """

        (phx, phy) = get_pos_hint(
            self.starting_pos_hint, *self.card_size_hint
        )
        phx += self.deck_x_hint_step * i + self.deck_x_hint_offsets[i]
        phy += self.deck_y_hint_step * i + self.deck_y_hint_offsets[i]
        x = phx * self.width + self.x
        y = phy * self.height + self.y
        return (x, y)