Python Santa Game

import random
from tkinter import *


def move_santa(event):
    if event.keysym == 'a':
        canvas.move(santa, -10, 0)
    if event.keysym == 'd':
        canvas.move(santa, 10, 0)
    if event.keysym == 'w':
        canvas.move(santa, 0, -10)
    if event.keysym == 's':
        canvas.move(santa, 0, 10)
    check()


def check():
    santa_cords = canvas.coords(santa)
    for present in presents:
        pr_cords = canvas.coords(present)
        if pr_cords[0] - 40 < santa_cords[0] and pr_cords[0] + 40 > santa_cords[0] and pr_cords[1] - 40 < santa_cords[
            1] and pr_cords[1] + 40 > santa_cords[1]:
            canvas.delete(present)
            presents.remove(present)


presents = []

window = Tk()
window.title('New Year App')

santa_image = PhotoImage(file='santa.png').subsample(15, 15)

present_image = PhotoImage(file='present.png').subsample(15, 15)

canvas = Canvas(window, width=700, height=700, bg='wheat2')
canvas.pack()

santa = canvas.create_image(100, 100, image=santa_image)
for i in range(10):
    presents.append(canvas.create_image(random.randint(50, 650), random.randint(50, 650), image=present_image))

canvas.bind_all('<Key>', move_santa)

window.mainloop()