Cannot extract data from a JIRA project issues

Hi developers! So I am new here and I have to work with JIRA Software. First of all, I have to extract all issues of all projects. I used a rest API to do that ( https://bobswift.atlassian.net/rest/api/latest/search?search?jql=project=PROJ ORDER BY created DESC ). Now I want to extract all the description of all the issues ( there is an array of issues, I guess ).

How can I do that with python please.