code: def __init__(self, a, b):
      self.a = a
      self.b = b
  
file_path: CNTK/bindings/python/cntk/losses/tests/cosine_distance_test.py
imports: import numpy
  import pytest
  import cntk
label_desc: Use image node_id 1 to create a new numpy_cos object  with example: obj = numpy_cos(a, b)