Pizzenaja Zmiejka

import random
import curses

s = curses.initscr()
curses.curs_set(0)
sh, sw = s.getmaxyx()
w = curses.newwin(sh, sw, 0, 0)
w.keypad(1)
w.timeout(100)

snk_x = sw/4
snk_y = sh/2
snake = [
  [snk_y, snk_x],
  [snk_y, snk_x-1],
  [snk_y, snk_x-2]
]

food = [sh/2, sw/2]
w.addch(food[0], food[1], curses.ACS_PI)

key = curses.KEY_RIGHT

while True:
  next_key = w.getch()
  key = key if next_key == -1 else next_key

  if snake [0][0] in [0, sh] or snake[0][1] in [0, sw] or snake [0] in snake [1:]:
    curses.endwin()
    quit()

  new_head = [snake[0][0], snake [0][1]]

  if key == curses.KEY_DOWN:
    new_head[0] += 1
  if key == curses.KEY_UP:
    new_head[0] -= 1
  if key == curses.KEY_LEFT:
    new_head[1] -= 1
  if key == curses.KEY_RIGHT:
    new_head[1] += 1

  snake.insert(0,new_head)

  if snake[0] == food:
    food = None
    while food is None:
      nf =[
      random.randint(1, sh-1),
      random.randint(1, sw-1)
      ]
      food = nf if nf not in snake else None
    w.addch(food[0], food[1], curses.ACS_PI)
  else:
    tail = snake.pop()
    w.addch(tail[0], tail[1], ' ')

  w.addch(snake[0][0], snake[0][1], curses.ACS_CKBOARD)