I animate a tree using turtle module

Tree.py

import turtle

def draw_tree(turt, width, height):
    draw_trunk(turt, width, height)
    draw_leaves(turt, width, height)

def draw_trunk(turt, width, height):
    turt.color('brown')
    turt.begin_fill()
    turt.setheading(0) #Head to the right
    turt.forward(width)
    turt.right(90)
    turt.forward(height)
    turt.right(90)
    turt.forward(width)
    turt.right(90)
    turt.forward(height)
    turt.end_fill()

def draw_leaves(turt, width, height, triangles=3):
    # Draw 3 triangles
    for i in range(triangles):
        draw_triangles(turt, width, height)
        height_increase = height/2
        turt.sety(turt.ycor() + height_increase)
        """
        This is the code you wrote, nice try pal
        :param turt:
        :param width:
        :param height:
        :return:
        turt.color('green')
        turt.begin_fill()
        turt.setheading(0)  #Head to the right
        turt.forward(height)
        turt.right(60)
        turt.forward(width)
        turt.right(60)
        turt.forward(height)
        turt.end_fill()
        """

def draw_triangles(turt, width, height):
    branch_overhang = height #length of branches overhang from trunk
    triangle_height = 2*height #A single triangle is 2 times height of the trunk

    turt.color('green')
    turt.begin_fill()

    x_init, y_init = (turt.xcor(), turt.ycor())
    x_middle = x_init + width/2.0
    x_bottom_left = x_init - branch_overhang
    x_bottom_right = x_init + width + branch_overhang
    y_top = y_init + triangle_height

    turt.goto(x_bottom_left, y_init)
    turt.goto(x_middle, y_top)
    turt.goto(x_bottom_right, y_init)
    turt.goto(x_init, y_init)

    turt.end_fill()

width = 50
height = 100

turt = turtle.Turtle()
draw_tree(turt, width, height)
turtle.done()