If in doubt, go for Python :-)
There are many ways to compare the "popularity" of programming languages used nowadays. It can be monitored from the demands of companies nearby you, from the relationships you may have access to (aka "the developpers"), or even by following the guidance of university teachers.
Since this is a complex problem, there is no easy answer to this question. For a rapid comparison, you can for instance use google trends to compare PHP and Python queries over (...)
Cette page recense des ressources liées au domaine de l’apprentissage profond, il s’agit d’un article en évolution constante.
Qu’est-ce qu’un transformer ?
https://ledatascientist.com/a-la-decouverte-du-transformer/
https://www.openstudio.fr/2022/02/08/fonctionnement-des-transformers-et-leurs-