code: def do_extend(self, xs):
      self.y_queue.extend(xs)
      self.t_queue.extend(xs)
  
file_path: chainerrl/tests/misc_tests/test_collections.py
imports: import collections
  import unittest
  from chainer import testing
  from chainerrl.misc.collections import RandomAccessQueue
label_desc: Use image node_id 8 for calling the TestRandomAccessQueue obj's underlying member method code with example usage: obj.do_extend(xs) without return types