JIRA API: Add users to onegroup by .csv - Python or directly?

[TOB]

Hi everyone,

I created a .csv file in which I've got email addresses which are active accounts in our Jira. Now I want to put them (around 300 addresses) into one group I created before. Is there a easy way to import the .csv to add the users in there into this group?

I tried it with Python via Jira REST API but didn't find the right way yet.

Any help is appreciated. Thanks!