code: def split_strings_in_list_retain_spaces(orig_list):
      
      temp_list = list()
      for line in orig_list:
          line_split = __re.split(r'(\s+)', line)
          temp_list.append(line_split)
  
      return temp_list
docs: Function to split every line in a list, and retain spaces for a rejoin
      :param orig_list: Original list
      :return:
          A List with split lines