# -*- coding: utf8 -*- from re import * cles = ["♟M♟","♟M",""] valeurs = ["M","♟",""] ruban = "♟"*8+"M"+"♟"*5 print ruban while "M" in ruban: for n in range(len(cles)): if cles[n] in ruban: break ruban = sub(cles[n],valeurs[n],ruban) print ruban