def check(my_list):
    return my_list[0] == my_list[1]

total = 0
correct = 0

def generate(my_list, a, b, c):
    if a == 0 and b == 0 and c == 0:
        global total, correct
        total += 1
        if check(my_list):
            correct += 1
        return
    if a > 0:
        generate(my_list + [0], a - 1, b, c)
    if b > 0:
        generate(my_list + [1], a, b - 1, c)
    if c > 0:
        generate(my_list + [2], a, b, c - 1)

generate([], 2, 2, 2)
print('total =', total)
print('correct =', correct)
print('accuracy =', correct / total)