import turtle

def drawMulticolorSquare(t, sz):
for i in [‘white’]:
t.color(i)
t.forward(sz)
t.right(90)

wn = turtle.Screen()
wn.bgcolor(“red”)

alexis = turtle.Turtle()
alexis.pensize(3)

size = 20
for i in range(150):
drawMulticolorSquare(alexis, size)
size = size + 10
alexis.forward(20)
alexis.backward(20)

wn.exitonclick()