Is TagUI developed by AI Singapore?
Here's example code and output.

for n from 1 to 10
    if n % 2 equals to 0
        echo `n`

tagui for_loops.tag -nobrowser
START - automation started
2
4
6
8
10
FINISH - automation finished

I read the following manual page about for loops.
[TagUI] https://tagui.readthedocs.io/en/latest/main_concepts.html#for-loops