Both of this subject would be accessible to people from all ages and levels

Hello, I am French and was born in France. Obviously my level is quite perfect. Moreover, I completed a American bachelor with honorable mention, that lasted 3 years. I also went to USA especially Dallas and Philadelphia which was pretty good by the way. To end this little description, if you want to learn, come my way.
Thank you
Sincerely Nils CLAMENS