code: def test_location_method_1():
      document = build_document_from_string(
          """
          # na nb nc ha hb
          ha = 1 + 1 + 1 = 3
          ha hb = 2 + 1 + 1 = 4
  
          first = 1
          ha hb ha = 3
          last = 1
  
          # hc hd
          hb hc hd = 3 + 1 + 1 = 5
          ha hb = 2 + 1 + 1 = 4
      """
      )
  
      summarizer = EdmundsonSummarizer()
      summarizer.null_words = (
          "na",
          "nb",
          "nc",
          "nd",
          "ne",
      )
  
      sentences = summarizer.location_method(document, 4)
  
      assert list(map(to_unicode, sentences)) == [
          "ha = 1 + 1 + 1 = 3",
          "ha hb = 2 + 1 + 1 = 4",
          "hb hc hd = 3 + 1 + 1 = 5",
          "ha hb = 2 + 1 + 1 = 4",
      ]
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import pytest
  from sumy._compat import to_unicode
  from sumy.summarizers.edmundson import EdmundsonSummarizer
  from ..utils import build_document, build_document_from_string
label_desc: Use image node_id 28 for calling a global function with example usage: test_location_method_1() without return types