code: def gauss(mu, sigma):
      return 0.3
  
file_path: python-igraph/tests/test_rng.py
imports: import random
  import unittest
  from igraph import Graph, set_random_number_generator
label_desc: Use image node_id 3 for calling the FakeRNG obj's underlying member method code with example usage: obj.gauss(mu, sigma) and returns: int