import turtle




turtle.shape('turtle')
def go_fd():
    turtle.forward(10)
def go_bw():
    turtle.backward(10)
def go_left():
    turtle.left(90)
    turtle.forward(10)
def go_right():
    turtle.right(90)
    turtle.forward(10)
go_fd()
go_bw()
go_left()
go_right()