import random
import random as r

POLE = []
N = int(input("Введите размер поля (от 7) "))
while N < 7:
    print('Неправильный размер')
    N = int(input("Введите размер поля (от 7) "))

def new_game():
    global POLE

    POLE = [[" " for i in range(N)] for i in range(N)]
    sp_all_pos = []
    x, y = r.randint(2, N-3), r.randint(0, N-3)
    sp_all_pos.append([x, y])
    all_base = {}
    POLE[x][y] = "П"
    kol_b = random.randint(1, 4)
    for i in range(kol_b):
        x1, y1 = r.randint(2, N-3), r.randint(2, N-3)
        while [x1, y1] in sp_all_pos:
            x1, y1 = r.randint(2, N-3), r.randint(2, N-3)
        sp_all_pos.append([x1, y1])
        all_base[(x1, y1)] = 10
        POLE[x1][y1] = "Б"

    score = 0
    return x, y, all_base, sp_all_pos, score


def print_pole():
    print("_" * (N+2))
    for row in POLE:
        print("|" + "".join(row) + "|")
    print("_" * (N+2))


def new_enemy(all_base):
    global POLE
    for bs, num in all_base.items():
        if num > 0:
            x, y = bs
            show = random.randint(0, 1)
            while show:
                napr = random.randint(1, 4)
                if napr == 1:
                    x1, y1 = x - 1, y
                    if POLE[x1][y1] != " ":
                        continue
                elif napr == 2:
                    x1, y1 = x + 1, y
                    if POLE[x1][y1] != " ":
                        continue
                elif napr == 3:
                    x1, y1 = x, y - 1
                    if POLE[x1][y1] != " ":
                        continue
                elif napr == 4:
                    x1, y1 = x, y + 1
                    if POLE[x1][y1] != " ":
                        continue

                POLE[x1][y1] = 'М'
                all_base[(x, y)] = num - 1
                break
    return all_base


def hod_enemy():
    sp_enemy_new = []
    for row in range(len(POLE)):
        for col in range(len(POLE[row])):
            if POLE[row][col] == "М" and  [row, col] not in sp_enemy_new:
                    if min(row, col, len(POLE)-col,len(POLE[0])-row ) == row:
                            if row == 0:
                                POLE[row][col] = " "
                            else:
                                if POLE[row-1][col] == ' ':
                                    POLE[row-1][col], POLE[row][col] = "М", ' '
                                    sp_enemy_new.append([row-1, col])
                    if min(row, col, len(POLE[0])-col,len(POLE)-row ) == col:
                            if col == 0:
                                POLE[row][col] = " "
                            else:
                                if POLE[row][col - 1] == ' ':
                                    POLE[row][col-1], POLE[row][col] = "М", ' '
                                    sp_enemy_new.append([row, col - 1])
                    if min(row, col, len(POLE)-col,len(POLE[0])-row ) == len(POLE[0])-col:

                            if col+1 >= len(POLE[0]):
                                POLE[row][col] = " "
                            else:
                                if POLE[row][col + 1] == ' ':
                                    POLE[row][col+1], POLE[row][col] = "М", ' '
                                    sp_enemy_new.append([row, col + 1])
                    if min(row, col, len(POLE)-col,len(POLE[0])-row ) == len(POLE)-row:

                            if row+1 >= len(POLE):
                                POLE[row][col] = " "
                            else:
                                if POLE[row + 1][col] == ' ':

                                    POLE[row+1][col], POLE[row][col] = "М", ' '
                                    sp_enemy_new.append([row+1, col])




def main():

    x, y, all_base, sp_all_pos, score = new_game()
    all_base = new_enemy(all_base)
    # главный цикл игры
    while True:
        print_pole()

        hod = input("""Введите направление:
w/ц - вверх
s/ы - вниз
a/ф - вправо
d/в - влево
    """)
        # провекрка хода персонажа
        if (hod == "w" or hod == 'ц') and x != 0:
            if POLE[x - 1][y] == "М":
                score += 1
            if POLE[x - 1][y] != 'Б':
                POLE[x][y] = " "
                x -= 1
                POLE[x][y] = "П"
        if (hod == "s" or hod == 'ы') and x != 9:
            if POLE[x + 1][y] == "М":
                score += 1
            if POLE[x + 1][y] != 'Б':
                POLE[x][y] = " "
                x += 1
                POLE[x][y] = "П"
        if (hod == "a" or hod == 'ф') and y != 0:
            if POLE[x][y - 1] == "М":
                score += 1
            if POLE[x][y-1] != 'Б':
                POLE[x][y] = " "
                y -= 1
                POLE[x][y] = "П"
        if (hod == "d" or hod == 'в') and y != 9:
            if POLE[x][y + 1] == "М":
                score += 1
            if POLE[x][y+1] != 'Б':
                POLE[x][y] = " "
                y += 1
                POLE[x][y] = "П"
        # проверка хода врага
        hod_enemy()
        # проверка новыйх врагов
        all_base = new_enemy(all_base)
        # проверка врагов
        for row in POLE:

            if ('М') in row or max(all_base.values()) != 0:
                break
        else:
            print_pole()
            print('Вы проиграли')
            print('Вас счет', score)
            break


print('''П - персонаж
Б - муравейники
М - муравьи''')
main()