Corret implicação python

i1 = 0
i2 = 0

for x in range(0, 255):
    binany = format(x, "b")
    binany = binany.zfill(8)
    l = len(binany) - 1
    if (binany[0] == '0' and binany[1] == '1'):
        i1 += 1
    if (binany[l-1] == '1' and binany[l] == '0'):
        i1 += 1

    if ((binany[0] == '0' and binany[1] == '1') or (binany[l-1] == '1' and binany[l] == '0')):
        i2 += 1

print(i1)
print(i2)