code: def get_page_size_args():
      
      page_sizes = {}
      for arg in request.args:
          re_match = re.findall("psize_(.*)", arg)
          if re_match:
              page_sizes[re_match[0]] = int(request.args.get(arg))
      return page_sizes
docs: Get page size arguments, returns an int
          { <VIEW_NAME>: PAGE_NUMBER }
  
          Arguments are passed: psize_<VIEW_NAME>=<PAGE_SIZE>