title: Object-Oriented Programming / python3 Classes
body: <p>I need to create instance of my classe and call the method created , how to do that ? i searched but didn't found the exact answer i need . thx</p>
  
  <pre><code>class Chemise:
      def __init__(self,ID,Prix,Couleur,Description,Quantite):
          self.ID=ID
          self.Prix=Prix
          self.Couleur=Couleur
          self.Description=Description
          self.Quantite=Quantite
  
      def Ajout_chemise(self,valeur):
          self.Quantite+=valeur
  
      def Diminuer_chemise(self,valeur):
          self.Quantite-=valeur
  
      def Affiche_info(self):
          print('ID=',self.ID);print('Prix=',self.Prix);print('Couleur=',self.Couleur)
          print('Description=',self.Description);print('Quantite=',self.Quantite)
  
  class Shirt(Chemise):
      ??????
  </code></pre>