Pi Pico - Motor Controller

import turtle
Carl = turtle.Turtle()
Carl.speed(3)
Carl.shape("turtle")
Carl.fillcolor("green")

Carl.begin_fill()

Carl.forward(150)
Carl.left(90)
Carl.forward(150)
Carl.left(90)
Carl.forward(150)
Carl.left(90)
Carl.forward(150)

Carl.end_fill()