Bitboard UTTT - Principle

import random

a = 0b011111000

print(f'a : {bin(a)}')

a = 0b011111000
t = [i for i in range(9) if a & 2**i]

player_pos = [8-i for i in range(9) if a & 2**i][::-1]   # [3, 4, 5, 6, 7, 8]
available_pos = [8-i for i in range(9) if not a & 2**i][::-1]  # [0, 1, 2]

print(player_pos)
print(available_pos)

move = random.choice(available_pos)
b = a ^ 2**(8-move)
print(f'move: {move} -> {bin(b)}')

player_pos = [8-i for i in range(9) if b & 2**i][::-1]   # [3, 4, 5, 6, 7, 8]
available_pos = [8-i for i in range(9) if not b & 2**i][::-1]  # [0, 1, 2]

print(player_pos)
print(available_pos)