tkinter python 3 tutorial rectangle code example
Example 1: tkinter draw squaer
canvas.create_rectangle(30, 10, 120, 80,
outline="#fb0", fill="#fb0")
Example 2: how to draw polygon in tkinter
from tkinter import *
root = Tk()
c = Canvas(root)
c.pack()
points = [x1,y1, x2,y2, xn,yn]
c.create_polygon(points)
root.mainloop()