Mover elementos de uma lista para outra.

cards.py

def downGame():
    games_in_table = []

    baixar = [(1, 'C'), (2, 'C'), (3, 'C'), (4, 'C'), (5, 'C'), (6, 'C'), (7, 'C'), (8, 'C'), (9, 'C'), (10, 'C'), (11, 'C'), (12, 'C'), (13, 'C')]

    cards_in_hands = [(3, 'C'), (6, 'C'), (2, 'E'), (6, 'E'), (7, 'E'), (11, 'E'), (12, 'E'), (3, 'O'), (13, 'O'), (5, 'P'), (6, 'P'), (9, 'P'),
                      (10, 'P'), (12, 'P')]
    
    for i in cards_in_hands:
        print(i)
        if i in baixar:   
            games_in_table.append(i)
            pos = cards_in_hands.index(i)
            del(cards_in_hands[pos])
            print(f'Excluido indice {pos} de cards_in_hands')

    print(games_in_table)


downGame()