old_contents: import random
  class Die(object):
      def __init__(self, sides = 6):
          self.sides = sides
          self.held = False
          self.die_face = 1
      def change_held(self, held):
          self.held = held
      def roll_die(self):
          if (self.held == False):
              self.die_face = random.randint(1, self.sides)
          else:
              pass
      def get_die_face(self):
          return self.die_face
      
  class DiceBag(object):
      def __init__(self):
          self.dice = []
          self.dice_roll = []
      def add_die_obj(self, die_obj):
          self.dice.append(die_obj)
      def remove_die(self, die_obj):
          self.dice.remove(die_obj)
      def remove_die_index(self, index):
          del self.dice[index]
      def add_die_notation(self, standard_die_notation):
          lst_notation = standard_die_notation.split("d")
          for i in int(lst_notation[0]):
              die1 = Die(int(lst_notation[1]))
              self.dice.append(die1)
  
new_contents: import random
  class Die(object):
      def __init__(self, sides = 6):
          self.sides = sides
          self.held = False
          self.die_face = 1
      def change_held(self, held):
          self.held = held
      def roll_die(self):
          if (self.held == False):
              self.die_face = random.randint(1, self.sides)
          else:
              pass
      def get_die_face(self):
          return self.die_face
      
  class DiceBag(object):
      def __init__(self):
          self.dice = []
          self.dice_roll = []
      def add_die_obj(self, die_obj):
          self.dice.append(die_obj)
      def remove_die(self, die_obj):
          self.dice.remove(die_obj)
      def remove_die_index(self, index):
          del self.dice[index]
      def add_die_notation(self, standard_die_notation):
          lst_notation = standard_die_notation.split("d")
          for i in int(lst_notation[0]):
              die1 = Die(int(lst_notation[1]))
              self.dice.append(die1)
      def roll_all(self):
          for obj in self.dice:
              obj.roll_die()
              self.dice_roll.append(obj.get_die_face())
  
subject: Add roll all function