create snake game with unicode characters in python

main.py
import curses
from random import randint

# Initialize curses screen
screen = curses.initscr()
curses.curs_set(0)

# Set initial position of the snake
snake = [[4, 10], [4, 9], [4, 8]]
snake_direction = curses.KEY_RIGHT

# Set initial position of the food
food = [10, 20]

# Define custom character set for the snake and food
snake_char = u'\u25A0'
food_char = u'\u2022'

# Set up colors for the snake and food
curses.start_color()
curses.init_pair(1, curses.COLOR_GREEN, curses.COLOR_BLACK)
curses.init_pair(2, curses.COLOR_RED, curses.COLOR_BLACK)

# Draw the initial snake and food
for y, x in snake:
    screen.addstr(y, x, snake_char, curses.color_pair(1))
screen.addstr(food[0], food[1], food_char, curses.color_pair(2))

# Set up game loop
while True:
    # Listen for keyboard input
    key = screen.getch()
    if key in [curses.KEY_RIGHT, curses.KEY_LEFT, curses.KEY_UP, curses.KEY_DOWN]:
        snake_direction = key

    # Move the snake based on player input
    x, y = snake[0]
    if snake_direction == curses.KEY_RIGHT:
        x += 1
    elif snake_direction == curses.KEY_LEFT:
        x -= 1
    elif snake_direction == curses.KEY_UP:
        y -= 1
    elif snake_direction == curses.KEY_DOWN:
        y += 1
    snake.insert(0, [x,y])
    
    # Handle collision with food
    if snake[0] == food:
        food = None
        while food is None:
            new_food = [randint(1, curses.LINES-1), randint(1, curses.COLS-1)]
            food = new_food if new_food not in snake else None
        screen.addstr(food[0], food[1], food_char, curses.color_pair(2))
    else:
        # Remove tail of snake if there is no food eaten
        last = snake.pop()
        screen.addstr(last[0], last[1], ' ')

    # Handle collision with walls or snake body
    if snake[0][0] in [0,curses.LINES] or snake[0][1] in [0,curses.COLS] or snake[0] in snake[1:]:
        curses.endwin()
        quit()

    # Draw snake after move
    screen.addstr(snake[0][0], snake[0][1], snake_char, curses.color_pair(1))

    # Refresh screen
    screen.refresh()
2059 chars
70 lines