def divide_chunks(l, n):
    """
    Helper function to divide list l into sub-lists/chunks of length n each
    
    Input: list to divide, n=how many elements you want in each chunk
    Output: big list which contains all of the sub-lists/chunks inside
    """
    big_l = []
    for i in range(0, len(l), n):
        big_l.append(l[i:i + n])
    return big_l