class Liste:
    """ Liste chaînée non circulaire"""
    def __init__(self):
        pass
    def est_vide(self):
        pass
    def vider(self):
        pass
    def taille(self):
        pass
    def ajouter_element(self, contenu):
        pass
    def acceder_element(self, position):
        pass
    # etc.

