Update postprocess_utils.py

Chong Zhang

2023-03-27 5d7ccbfc012905b0fd067da337321b06f66ee3bc

1
2
3
4
5
6
7
8
9
x    1
xx    2
xxx    3
xl    4
l    5
lx    6
lxx    7
lxxx    8
xc    9