code: def bottom_left_invert(matrix):
      new = []
      for row in reversed(matrix):
          for i, elem in enumerate(reversed(row)):
              try:
                  new[i].append(elem)
              except IndexError:
                  new.insert(i, [])
                  new[i].append(elem)
      return new
  
label_desc: Use image node_id 4 for calling a global function with example usage: bottom_left_invert(matrix) and returns: new