#For this to work and if Windows os is used, the wheel at http://www.lfd.uci.edu/~gohlke/pythonlibs/#curses

#need to be installs first before running. e.g. pip install curses-2.2-cp27-none-win_amd64.whl

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_DIAMOND)

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_DIAMOND)

else:

tail = snake.pop()

w.addch(tail[0], tail[1], ' ')

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