code: def test_soft_keywords(self):
      self.assertIn("type", keyword.softkwlist)
      self.assertIn("match", keyword.softkwlist)
      self.assertIn("case", keyword.softkwlist)
      self.assertIn("_", keyword.softkwlist)
  
file_path: cpython/Lib/test/test_keyword.py
imports: import keyword
  import unittest
label_desc: Use image node_id 9 for calling the Test_iskeyword obj's underlying member method code with example usage: obj.test_soft_keywords() without return types