import turtle

pen = turtle.Turtle()
pen.speed(5)
pen.color("darkred")   # Gryffindor-ish

for _ in range(4):
    pen.forward(80)
    pen.left(90)

pen.color("gold")
pen.penup()
pen.goto(10, 10)
pen.pendown()
pen.dot(15)   # small circle dot

turtle.done()