code: def testFullIntersection(self):
      values, ix1, ix2 = collections.intersect([1, 2, 3], [1, 2, 3])
      self.assertEqual(len(values), 3)
      self.assertEqual(len(ix1), 3)
      self.assertEqual(len(ix2), 3)
      self.assertEqual(ix1, ix2)
  
imports: import datetime
  from six.moves import xrange
  from .None import common
  from pyalgotrade import utils
  from pyalgotrade.utils import collections
  from pyalgotrade.utils import dt
label_desc: Use image node_id 2 for calling the IntersectTestCase obj's underlying member method code with example usage: obj.testFullIntersection() without return types