code: def test_assignment(self):
      np_test.assert_almost_equal(
          self.phi1.assignment(1, 2, 3), 0.0007848640
      )
      np_test.assert_almost_equal(
          self.phi2.assignment(1.2), 1.323129812337
      )
  
file_path: pgmpy/pgmpy/tests/test_factors/test_continuous/test_Canonical_Factor.py
imports: import unittest
  import numpy
  import numpy.testing
  from pgmpy.factors.distributions import GaussianDistribution
  from pgmpy.factors.continuous import CanonicalDistribution
label_desc: Use image node_id 2 for calling the TestJGDMethods obj's underlying member method code with example usage: obj.test_assignment() without return types