[Tutor] Would you please help me understand my error

[Marco Rompré]

Its supposed to be a object magasin (shop in french) with some golf items in
it


 class Magasin:
    """
    Le concept magasin pour la gestion d'inventaire des items de golf.
    """
    def __init__(self, nom ="", items =[] ):
        self.nom = nom
        self.items = items

    def set_nom(self, nom):
        self.nom = nom

    nom = property(None, set_nom)

    def set_items(self, items):
        self.items = items

    items = property(None, set_items)

    def __str__(self):
        return self.nom

class Item:
    """
    Le concept item pour la gestion d'inventaire des items de golf.
    """
    def __init__(self, nom ="", prix =""):
        self.nom = nom
        self.prix = prix

    def set_nom(self, nom):
        self.nom = nom

    nom = property(None, set_nom)

    def set_prix(self, prix):
        self.prix = prix

    prix = property(None, set_prix)

    def __str__(self):
        return self.nom

class Modele:
    """
    La definition d'un modele avec les magasins.
    """
    def __init__(self, magasins =[]):
        self.magasins = magasins

    def set_magasins(self, magasins):
        self.magasins = magasins

    magasins = property(None, set_magasins)

    def vide(self):
        if self.magasins == []:
            return True
        else:
            return False

    def initialiser(self):
        magasin01 = Magasin ("Swing de golf")

        item01 = Item ("Ensemble de fers Titleist")
        item01.set_prix("999.99")

        item02 = Item ("Ensemble de fers Callaway")

        items = [item01, item02]
        magasin01.set_items(items)

    def afficher(self):
        print("")
        print("Magasins")
        for magasin in self.magasins:
            print("")
            print(magasin)
            for tache in magasin.items:
                print(item)
        self.set_magasins([magasin01])



if __name__ == '__main__':
    modele = Modele()
    #modele.charger()
    if modele.vide():
        modele.initialiser()
    modele.afficher()

My error is:

Magasins

Traceback (most recent call last):
  File "F:\School\University\Session 4\Programmation SIO\Golftmodele.py",
line 102, in <module>
    modele.afficher()
  File "F:\School\University\Session 4\Programmation SIO\Golftmodele.py",
line 93, in afficher
    self.set_magasins([magasin01])
NameError: global name 'magasin01' is not defined

Thank you
-- 
Marc-O. Rompré
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