Rewrite the following code segment using a multiple-selection statement in the following languages:

if ((k == 1) || (k == 2)) j = 2 * k - 1

if ((k == 3) || (k == 5)) j = 3 * k + 1

if (k == 4) j = 4 * k - 1

if ((k == 6) || (k == 7) || (k == 8)) j = k - 2

Please provide the running environment code with output:

a. Python

b. Ruby