bStatus = Button(axStatus, 'Get status of radio buttons')

def activated_radio_button(x, list):
    for i in range(len(x.circles)):
        if x.circles[i].get_facecolor()[0] < 0.5:
            return list[i]

def get_status(label):
    radioValue = activated_radio_button(butRadio, my_list)
sliderValue = aSlider.val
print('Slider value: %.2f, Radio button value: %s' % (sliderValue, radioValue))
bStatus.on_clicked(get_status)
plt.show()
Получить статус переключателя Matplotlib