import turtle
turtle.penup()
turtle.goto(-100,-100)
turtle.pendown()
kolory = ["red","green","blue","yellow","orange"]
turtle.speed(0)
for i in range(1,6):
    turtle.penup()
    turtle.goto(40 * i, 40*i)
    turtle.pendown()

    turtle.fillcolor(kolory[i%len(kolory)])
    turtle.begin_fill()
    for i in range(1,5):
        turtle.forward(40)
        turtle.left(90)
    turtle.end_fill()


turtle.done()