xx = [t / 70 * 6 - 3 for t in list(range(71))]
yy1 = [cos(x).evalf(subs={x: t}) for t in xx]
yy2 = [sin(x).evalf(subs={x: t}) for t in xx]
plot_list(
    (xx, yy1, "cos"),
    (xx, yy2, "sin", {"marker": "*", "markerfacecolor": None}),
    is_scatter=True)
# Expected:
## Plot object containing:
## [0]: 2D list plot
## [1]: 2D list plot