class session_chasse:
    def __init__(id, depart, retour):
        self.id = id
        self.depart = depart
        self.retour = retour




class chasseur:
    def __init__ (id_vlg, session_de_chasses):
        self.id_vlg = id_vlg
        self.session_de_chasses = session_de_chasses



chasseurs=[None]*999
for id in sample_data.id_villageois:
    if type(id) == float and not math.isnan(id):
        id=int(id)
        sessions_chasses=[]
        for ligne_chasse in sample_data[id_villageois==id]:
            sessions_chasses.append(session_chasse(ligne_chasse.Id_session_chasse_2, ligne_chasse.DepartDecimal, RetourDecimal))
        chasseurs[id]= chasseur(id, sessions_chasses)