mazes = []
maze = None
mazeIndex = 0
def initMazes(self):
    self.mazes.append(# here you create level 1)
    # Set the current maze to level 1
    self.maze = self.mazes[0]
    self.mazes.append(# here you create level 2, and so on)

def eatSprouts(self):
    self.maze.sprouts -= 1
    if self.maze.sprouts == 0:
        self.mazeIndex += 1
        # Here we check if mazeIndex is equal to len(mazes), in which case there are no more mazes
        if self.mazeIndex == len(mazes):
            print("You win!")
        # Else, if there are more levels, set the next one as the current maze
        else:
            self.maze = self.mazes[self.mazeIndex]