# Simultaneously randomize two columns in conditions file

**URL:** <https://discourse.psychopy.org/t/simultaneously-randomize-two-columns-in-conditions-file/22635>\
**Category:** Builder\
**Created:** [April 27, 2021, 6:32pm UTC](https://discourse.psychopy.org/t/simultaneously-randomize-two-columns-in-conditions-file/22635 "2021-04-27T18:32:26Z")\
**Posts on this page:** 1\
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**Author:** ![wakecarter](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.psychopy.org/wakecarter/32/5753_2.png) [@wakecarter](https://discourse.psychopy.org/u/wakecarter)\
**Post date:** [April 27, 2021, 7:41pm UTC](https://discourse.psychopy.org/t/simultaneously-randomize-two-columns-in-conditions-file/22635/4 "2021-04-27T19:41:46Z")

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I’ve just written a demo called Independent Randomisation that should help.

> [@PsychoPy Online Demos](https://discourse.psychopy.org/t/psychopy-online-demos/22319):
>
> If you have routines or experiments that are likely to be useful to others, please create a post in this thread, editing your post to add new demos so there is one post per creator. Ideally set your demos so they can be tested without consuming a credit (if you don’t have a site license) by adding a final routine that can’t end, disabling save incomplete results and adding a small number of credits. Please do not discuss the demos in this thread or create more than one post unless you have a la…

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