old_contents: class Affichage:
  
      def affichage_jeux(self):
          return 0
          
  
new_contents: class Affichage:
  
      def affichage_jeu(self):
          return 0
  
      def affichage_tableau(self):
          return 0
  
      def affichage_tableau(self):
          return 0
  
      def affichage_snake(self):
          return 0
  
      def affichage_pomme(self):
          return 0
  
      def affichage_score(self):
          return 0
  
subject: Add function to Affichage.py