Shi Mu wrote: > I have a list of random points: > [[x0,y0],[x1,y1],...,[xn,yn]] > how can I use Tkinter to draw lines to connect them one by one based > on the order in the list? You can use a Canvas widget to draw lines. You will probably have to scale your coordinates to match the coordinates of the screen. Kent -- http://www.kentsjohnson.com