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from tkinter import *

import time

import random

Game_Running = True

game_width = 500

game_height = 500

snake_item = 20

snake_color1 = "red"

snake_color2 = "yellow"

virtual_game_x = game_width//snake_item

virtual_game_y = game_height//snake_item

snake_x=virtual_game_x//2

snake_y=virtual_game_y//2

snake_x_nav = 0

snake_y_nav = 0

snake_list = []

snake_size = 5

tk = Tk()

tk.title("Игра Змейка на Python")

tk.resizable(0,0)

tk.wm_attributes("-topmost",1)

canvas = Canvas(tk, width=game_width, height=game_height, bd=0, highlightthickness=0)

canvas.pack()

tk.update()

present_color1 = "blue"

present_color2 = "black"

presents_list = []

presents_size = 25

for i in range(presents_size):

x = random.randrange(virtual_game_x)

y = random.randrange(virtual_game_y)

id1 = canvas.create_oval(x*snake_item,y*snake_item, x*snake_item+snake_item,y*snake_item+snake_item,fill=present_color2)

id2 = canvas.create_oval(x*snake_item+2,y*snake_item+2,x*snake_item+snake_item-2,y*snake_item+snake_item-2,fill=present_color1)    

presents_list.append([x, y, id1, id2])

print(presents_list)

def snake_paint_item(canvas, x, y):

global snake_list

id1 = canvas.create_rectangle(x*snake_item,y*snake_item, x*snake_item+snake_item,y*snake_item+snake_item,fill=snake_color2)

id2 = canvas.create_rectangle(x*snake_item+2,y*snake_item+2,x*snake_item+snake_item-2,y*snake_item+snake_item-2,fill=snake_color1)

snake_list.append([x,y,id1,id2])

#print(snake_list)

snake_paint_item(canvas, snake_x, snake_y)

def check_can_we_delete_snake_item():

if len(snake_list) >= snake_size:

    temp_item = snake_list.pop(0)

    #print(temp_item)

    canvas.delete(temp_item[2])

    canvas.delete(temp_item[3])

def check_if_we_found_present():

global snake_size

for i in range(len(presents_list)):

    if presents_list[i][0] == snake_x and presents_list[i][1] == snake_y:

        #print("found!!!")

        snake_size = snake_size + 1

        canvas.delete(presents_list[i][2])

        canvas.delete(presents_list[i][3])

#print(snake_x, snake_y)

def snake_move(event):

global snake_x

global snake_y

global snake_x_nav

global snake_y_nav



if event.keysym == "Up":

    snake_x_nav = 0

    snake_y_nav = -1

    check_can_we_delete_snake_item()

elif event.keysym == "Down":

    snake_x_nav = 0

    snake_y_nav = 1

    check_can_we_delete_snake_item()

elif event.keysym == "Left":

    snake_x_nav = -1

    snake_y_nav = 0

    check_can_we_delete_snake_item()

elif event.keysym == "Right":

    snake_x_nav = 1

    snake_y_nav = 0

    check_can_we_delete_snake_item()

snake_x = snake_x + snake_x_nav

snake_y = snake_y + snake_y_nav

snake_paint_item(canvas, snake_x, snake_y)

check_if_we_found_present()

canvas.bind_all("", snake_move)

def game_over():

global Game_Running

Game_Running = False

def check_if_borders():

if snake_x>virtual_game_x or snake_x<0 or snake_y>virtual_game_y or snake_y<0:

    game_over()

def check_we_touch_self(f_x, f_y):

global Game_Running

if not (snake_x_nav == 0 and snake_y_nav == 0):

    for i in range(len(snake_list)):

        if snake_list[i][0] == f_x and snake_list[i][1] == f_y:

            print("found!!!")

            Game_Running = False

while Game_Running:

check_can_we_delete_snake_item()

check_if_we_found_present()

check_if_borders()

check_we_touch_self(snake_x + snake_x_nav, snake_y + snake_y_nav)

snake_x = snake_x + snake_x_nav

snake_y = snake_y + snake_y_nav

snake_paint_item(canvas, snake_x, snake_y)

tk.update_idletasks()

tk.update()

time.sleep(0.15)

def fun_nothing(event):

pass

canvas.

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