def insert_sort(old):

    for i in range(1, len(old)):

        for j in range(i, 0, -1):

            if(old[j] < old[j-1]):

                tmp = old[j]

                old[j] = old[j-1]

                old[j-1] = tmp

# test case

old = [2, 5, 3, 0, 2, 3, 0, 3]

insert_sort(old)

print old