Changes
/* chapter 6 & 8 (résumé) */
Remark: if we don't use a key word C (int, float, ect..) don't need to use the brackets
===== Operateur logique "AND(E) - ET(F) => &&" =====
===== Operateur logique "OR(E) - OU(F) => ||" =====
==== Trick ====