import matplotlib.pylab as pl

# def draw_love_curve():
    # t = np.arange(0, 2 * np.pi, 0.1)
    # x = 16 * np.sin(t) ** 3
    # y = 13 * np.cos(t) - 5 * np.cos(2 * t) - 2 * np.cos(3 * t) - np.cos(4 * t)
    # plt.plot(x, y, color='red')
    # plt.title("笛卡尔爱心曲线")
    # plt.fill_between(x, y, facecolor='pink')
    # plt.show()