def combine(self):
    self.play(self.v_part1.restore, self.v_part2.restore, self.s_part1.scale, 2, self.s_part1.next_to, self.s_part2, LEFT, FadeOut(self.arcs_copy), FadeOut(self.words_copy), run_time=2)
    self.change_mode('happy')
    self.wait(2)
def combine(self):
    self.play(self.v_part1.restore, self.v_part2.restore, self.s_part1.scale, 2, self.s_part1.next_to, self.s_part2, LEFT, FadeOut(self.arcs_copy), FadeOut(self.words_copy), run_time=2)
    self.change_mode('happy')
    self.wait(2)