text: def organizingContainers(container):
      total_balls = []
      possible_containers = []
      for _ in range(len(container)):
          total_balls += [0]
          possible_containers += [0]
  
      for box in container:
          for ball_num, balls in enumerate(box):
              total_balls[ball_num] += balls
  
      possible = []
      for box_num, box in enumerate(container):
          possible += [[]]
          for ball_num, balls in enumerate(total_balls):
              give = 0
              for other_balls in box:
                  give += other_balls
              give -= box[ball_num]
              want = balls - box[ball_num]
              if give == want:
                  possible[-1] += [ball_num]
  
      for box_possible in possible:
          for poss in box_possible:
              possible_containers[poss] += 1
  
      for poss in possible_containers:
          if poss == 0:
              return 'Impossible'
      return 'Possible'
  