Let us look at the output from a simple test table that always generates 4 mobs
ItemTable t1 { 4 rat(giant, .cr. 1/4) }
and whose output from "mt.py" is
$ python mt01.py TegelManor_dungeon.tables.txt roll t1 1
loading: TegelManor_dungeon.tables.txt
cmd: roll
--- t1 1
4 rat, giant, cr = 1/4...