import random, time, os, msvcrt, sys

def clear():
        os.system("cls")

inp = 0

y = 2
x = 2
foody = random.randint(0, 9)
foodx = random.randint(0, 9)
lengh = 3

mapa = [[[0] * 10] * 10]
print(mapa)

while True:
        time.sleep(1)
        clear()

        for i in range(10):
                for j in range(10):
                        if mapa[i][j] > 0:
                                mapa[i][j] -= 1

                        if i == y and j == x:
                                mapa[i][j] = lengh

                        if i == foody and j == foodx:
                                mapa[i][j] = -1

                        if i == foody and x == foodx:
                                mapa[i][j] = lengh
                                foody = random.randint(0, 9)
                                foodx = random.randint(0, 9)
                                lengh += 1

                        print("{:^2}".format(mapa[i][j]), end = "")
                print()

        try:
                inp = msvcrt.getch()
        except:
                pass

        if inp == b'd':
                x += 1
        if inp == b'a':
                x -= 1
        if inp == b's':
                y += 1
        if inp == b'w':
                y -= 1
        if inp == b'q':
                clear()
                print('your score: ', lengh)

                sys.exit()