Test task
Example:
python3 nsort.py 4
n = 4
array sizes: [4, 5, 2, 9]
Generated arrays
0 : [87, -46, -81, 80]
1 : [80, 34, -88, 97, -39]
2 : [-26, -16]
3 : [-57, -49, -1, 91, 63, 61, 74, 93, 7]
Sorted arrays
0 : [-81, -46, 80, 87]
1 : [97, 80, 34, -39, -88]
2 : [-26, -16]
3 : [93, 91, 74, 63, 61, 7, -1, -49, -57]