code: def testRandomWalkUndirectedEdges(self):
      g = Graph.GRG(100, 0.2)
      for _i in range(10):
          start = random.randint(0, g.vcount() - 1)
          length = random.randint(0, 10)
          walk = g.random_walk(start, length, return_type="edges")
          self.validate_edge_walk(g, walk, start, length)
  
file_path: python-igraph/tests/test_walks.py
imports: import random
  import unittest
  from igraph import Graph, InternalError
label_desc: Use image node_id 10 for calling the RandomWalkTests obj's underlying member method code with example usage: obj.testRandomWalkUndirectedEdges() without return types