from turtle import reset, forward, left, up, down, pencolor, fillcolor, \
                   begin_fill, end_fill, goto, speed

pencolor("black")
fillcolor(couleur)
down()
begin_fill()
forward(largeur)
left(90)
forward(largeur)
left(30)
forward(largeur)
left(120)
forward(largeur)
left(30)
forward(largeur)
end_fill()
left(90)
up()