command line - How to pass file contents to a python script on windows -

i pass contents of file along other parameters python script on windows.

on linux, can this:

less input.txt | my_script.py  > output.txt 

on windows tried following doesn't seem work:

more input.txt | python my_script.py  > output.txt 

any idea i'm doing wrong?

use following command. works both in linux , windows.

python my_script.py < input.txt > output.txt