code: def testRealPoolMultiple(self):
      expectedVal1 = 6.9
      expectedVal2 = 16.0
  
      p = Pool()
      p.add("foo.bar", expectedVal1)
      p.add("foo.bar", expectedVal2)
  
      self.assertAlmostEqualVector(
          p["foo.bar"], [expectedVal1, expectedVal2]
      )
  
imports: from essentia_test import *
label_desc: Use image node_id 3 for calling the TestPool obj's underlying member method code with example usage: obj.testRealPoolMultiple() without return types