code: def test_getslice(self):
      for i in range(-len(self.base), len(self.base)):
          for j in range(-len(self.base), len(self.base)):
              for step in [-1, 1]:
                  self.assertEqual(
                      self.lazy[i:j:step], self.base[i:j:step]
                  )
  
imports: from operator import eq, ge, gt, le, lt, ne, add, concat, not_, sub, and_, or_, xor
  import os.path
  import sys
  import unittest
  import warnings
  from pytz.lazy import LazyList, LazySet
label_desc: Use image node_id 24 for calling the LazyListTestCase obj's underlying member method code with example usage: obj.test_getslice() without return types