I have an array which contains several items (Array_a) and what I need
is create a new array (Array_b) which includes same items of Array_a,
but grouped in arrays within 3 items each.
Array_b: [ ['a1','a2','a3'],['b1','b2','b3'],['c1','c2','c3'],
Can anybody give me an idea of what iteration can I use to get that?
If it could be done in one single line, much better. Thanks a lot.