def METHOD_NAME(chart_type):
    chart = get_test_chart(chart_type)
    chart.data.labels = ['A', 'B', 'C']
    set_a = chart.data.new_dataset('set_a')
    set_a.data = [100, 20, 50]
    # set_a.backgroundColor = ["#560764", "#1F6CB0", "#F98B60"]
    set_b = chart.data.new_dataset('set_b')
    set_b.data = [50, 30, 80]
    # set_b.backgroundColor = ["#913175", "#70A3C4", "#FFC057"]
    set_b.fill = False
    set_c = chart.data.new_dataset('set_c')
    set_c.data = [40, 20, 10]
    # set_c.backgroundColor = ["#DD5B82", "#E7E8F5", "#FFE084"]
    chart.randomize_colors()
    chart.draw()