Palestine flag in Python

palestine.py

import turtle
import math
import time

def drawTriangle(tur, xy1: tuple, xy2: tuple, xy3: tuple, color:str, fill:str):
    tur.up()
    tur.color(color, fill)
    tur.goto(xy1[0], xy1[1])
    tur.begin_fill()
    tur.down()
    tur.goto(xy2[0], xy2[1])
    tur.goto(xy3[0], xy3[1])
    tur.goto(xy1[0], xy1[1])
    tur.end_fill()
    
    
def drawRect(tur, xy1: tuple, xy2: tuple, color:str, fill:str):
    tur.up()
    tur.color(color, fill)
    tur.goto(xy1[0], xy1[1])
    tur.begin_fill()
    tur.down()
    tur.goto(xy1[0], xy2[1])
    tur.goto(xy2[0], xy2[1])
    tur.goto(xy2[0], xy1[1])
    tur.goto(xy1[0], xy1[1])
    tur.end_fill()
    
    
screen = turtle.Screen()
screenTk = screen.getcanvas().winfo_toplevel()
screenTk.attributes("-fullscreen", True)

factor = 200
width = 6 * factor
height = 3 * factor

turtle.bgcolor("grey")
t = turtle.Turtle()
t.speed(10)

drawRect(t, (-width//2, height//2), (width//2, -height//2), "white", "white")
drawRect(t, (-width//2, height//2), (width//2, height//6), "black", "black")
drawRect(t, (-width//2, -height//6), (width//2, -height//2), "green", "green")

drawTriangle(t, (-width//2, height//2), (-width//6,0), (-width//2, -height//2), "red", "red")

t.hideturtle()
input()