Best Practices
A good Baobab program reads like a sentence. Prefer small functions with a clear role, descriptive names (in French, without accents), and short modules.
Prefer
1234fonction surface_rectangle(longueur, largeur):
retourner longueur * largeur
afficher(surface_rectangle(4, 3))12
Avoid
12fonction f(a, b):
retourner a * bName what the code does, not how: surface_rectangle over f. Readability always beats brevity.