code: def testDynamicLengthListBidirConnectionFastLinking(self):
      PcnnTestTemplates.templateDynamicLengthFastLinking(
          10,
          20,
          conn_type.LIST_BIDIR,
          conn_represent.MATRIX,
          [0] * 10,
          False,
      )
  
imports: import unittest
  from pyclustering.nnet.tests.pcnn_templates import PcnnTestTemplates
  from pyclustering.nnet import conn_type, conn_represent
label_desc: Use image node_id 8 for calling the PcnnUnitTest obj's underlying member method code with example usage: obj.testDynamicLengthListBidirConnectionFastLinking() without return types