parameters: (attrs)
docstring: extract numbering from list element attributes
docstring_summary: extract numbering from list element attributes
docstring_tokens: extract numbering from list element attributes
function: def list_numbering_start(attrs):
      """extract numbering from list element attributes"""
      if 'start' in attrs:
          return int(attrs['start']) - 1
      else:
          return 0
function_tokens: def list_numbering_start ( attrs ) : if 'start' in attrs : return int ( attrs [ 'start' ] ) - 1 else : return 0