class_docstr: Base class for factors representing various multivariate
  representations.
code: def get_evidence(self):
      return self.scope()[1:]
  
imports: import types
  import numpy
  import scipy.integrate
  from pgmpy.factors.base import BaseFactor
  from pgmpy.factors.distributions import GaussianDistribution, CustomDistribution
label_desc: Use image node_id 5 for calling the ContinuousFactor obj's underlying member method code with example usage: obj.get_evidence() and returns: self