How can I create a visual search experiment in psychopy?

Hi,

I am trying to create a simple visual search experiment but I am new to psychopy, and I don`t understand how I can get the psychopy to change the number of items (be that a triangle or text) on the window for each trial, and in random order. Perhaps this question is too broad but I hope someone can give me some advice to help me get started.

Best,
Christian

Something a bit like this?
https://run.pavlovia.org/Wake/change-detection/html

Or this?
https://run.pavlovia.org/Wake/visual-search/

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Also might be helpful as an example of T and L search demos / visual-search · GitLab

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