Нарисовать дерево Пифагора

import turtle
import math
 
def piphagor_tree(x, y, side, angle_alfa, angle_fi, deep):
    turtle.degrees()
    if deep>1:
        turtle.penup()
        turtle.goto(int(x),int(y))
        turtle.pendown()
        x_next =int( x + side*math.cos(int(angle_fi)))
        y_next =int( y + side*math.sin(int(angle_fi)))
        turtle.goto(int(x_next),int(y_next))
        x = x_next
        y = y_next
        piphagor_tree(x,y,side, angle_fi+math.pi/angle_alfa,angle_alfa,deep-1)
        piphagor_tree(x,y,side,angle_fi-math.pi/angle_alfa,angle_alfa,deep-1)
 
 
side = 1
angle_alfa = 30
angle_fi = 45
deep = 10
x = 100
y = 400
 
turtle.reset()
turtle.color("red")
 
piphagor_tree(x,y,side,angle_alfa,angle_fi,deep)
 
turtle.done()

#!usr/bin/env python3
import math
from tkinter import *
 
def exit_(event):
    """Выход при нажатии ctr+z"""
    root.destroy()
 
def draw_tree( x, y, side, fi, alfa, deep, count_deep):
    """Рекурсивно рисует дерево пифагора"""
    x1=x
    y1=y
 
    dx=side*math.sin(fi)
    dy=side*math.cos(fi)
 
    x2=x+dx
    y2=y-dy
 
    x3=x+dx-dy
    y3=y-dy-dx
 
    x4=x-dy
    y4=y-dx
 
    x5=x-dy+side*math.cos(alfa)*math.sin(fi-alfa)
    y5=y-dx-side*math.cos(alfa)*math.cos(fi-alfa)
    
    if count_deep<5:
        colour="#"+str(count_deep*20)+"0000"
    elif count_deep<9:
        colour="#00"+str(count_deep*10)+"00"
    else: colour="#009900"
 
    canv.create_polygon(x1, y1, x2, y2, x3, y3, x4, y4, fill=colour)
    canv.create_polygon(x4, y4, x3, y3, x5, y5, fill=colour)
 
    if deep>1:
        draw_tree(x5, y5, side*math.sin(alfa), fi-alfa+math.pi/2, alfa, deep-1,count_deep+1)
        draw_tree(x4, y4, side*math.cos(alfa), fi-alfa, alfa, deep-1,count_deep+1)
 
#инициализация окна
root=Tk();
root.title("Pifagor's tree")
root.bind('<Control-z>',exit_)
#создание холста
canv = Canvas(root, width = 1800, height = 1200, bg = "lightblue")
canv.pack()
 
x=600
y=650
side=100
deep=15
alfa=math.pi/3
 
canv.create_rectangle(0,1200,1800,1200-y, fill="#ADFF2F")
 
draw_tree(x/2-100, y-100, side/2, math.pi/2, alfa*3/4, deep, 1)
draw_tree(x, y, side, math.pi/2, alfa, deep, 1)
 
root.mainloop()

colour="#"+str(count_deep*20)+"0000"
colour="#%s0000" % cout_deep*20