Гра Сапер на Пайтоні

# Гра Сапер

import random

DELTAS = [(0, 1), (0, -1), (1, 0),
          (1, -1), (-1, 1), (-1, 0),
          (1, 1), (-1, -1)]
width = 5
height = 10
mines_count = 2
mines = []

field = [[" -- "] * width for _ in range(height)]
for i in range(mines_count):
    empty = [(x, y) for x in range(width)
                    for y in range(height)
                    if (x, y) not in mines]
    x, y = random.choice(empty)
    mines.append((x, y))


def mines_around(coord):
    x, y = coord
    return sum((dx + x, dy + y) in mines
               for dx, dy in DELTAS)


while True:
    print(*field, sep="\n")

    coords = input("x, y")
    try:
        x, y = map(int, coords.split(","))
        _ = field[y][x]
    except Exception:
        print(f"Incorrect: '{coords}', try again")
        continue

    if (x, y) in mines:
        print("You lost")
        for m in mines:
            field[m[1]][m[0]] = " ** "
        field[y][x] = " XX "
        break

    to_visit = [(x, y)]
    while to_visit:
        x, y = to_visit.pop()
        field[y][x] = f" {mines_around((x, y)):02} "
        if field[y][x] == " 00 ":
            neighbours = [(dx + x, dy + y) for dx, dy in DELTAS
                          if x + dx in range(width)
                          and y + dy in range(height)
                          and field[dy + y][dx + x] == " -- "]
            to_visit.extend(neighbours)

    empty_cells = [(x, y) for x in range(width)
                   for y in range(height)
                   if field[y][x] == " -- "
                   and (x, y) not in mines]
    if not empty_cells:
        print("You win")
        break

print(*field, sep="\n")