COMPLETE FUNCTION DRAW_TREE: # draws a tree import turtle # set the canvas window def set_canvas(): s = turtle.Screen() s.setup(450, 410) s.bgcolor('ivory') s.title('Turtle Program') return s # set a turtle (a pen) def set_pen(color): t = turtle.Turtle() t.shape('turtle') t.pen(pencolor=color,fillcolor=color, pensize=1, speed=10) return t # draw a tree fractal using recursion def draw_tree(t, branch, angle, n): if n > 0: # recursive step pass else: # base case pass # main program if __name__ == '__main__': s = set_canvas() t = set_pen('brown') t.penup() t.goto(-45, -150) t.left(90) t.pendown() draw_tree(t, 60, 20, 6)