list_of_lists = [[1, 2], [3, 3], [4, 4], [5, 2]]
x_list = [x for [x, y] in list_of_lists]
y_list = [y for [x, y] in list_of_lists]
plt.plot(x_list, y_list)
draw points using matplotlib.pyplot [[x1,y1],[x2,y2]]