# Draws three lines to make a triangle.

from DrawingPanel import *

def main():
    panel = DrawingPanel(400, 300)
    panel.background = "yellow"
    for i in range(10):
        x = 25 + i * 20
        y = 25 + i * 20
        w = 100
        # panel.stroke = 2
        panel.draw_polygon(x + w//2, y, x, y + w, x + w, y + w, "red")

main()