code: def test_parameter_scope_slash():
      """Testing if parameter_scope('aaa/bbb') works."""
      import nnabla as nn
      from nnabla.parameter import get_parameter_or_create
  
      nn.clear_parameters()
      with nn.parameter_scope("aaa/bbb"):
          param = get_parameter_or_create("ccc", (2, 3, 4, 5))
      ref = np.random.randn(*param.shape).astype(np.float32)
      param.d = ref
  
      with nn.parameter_scope("aaa"):
          with nn.parameter_scope("bbb"):
              param = get_parameter_or_create("ccc", (2, 3, 4, 5))
      assert np.all(param.d == ref)
      nn.clear_parameters()
  
file_path: nnabla/python/test/test_parameter.py
imports: from six import iterkeys
  import pytest
  import numpy
  import nnabla.parametric_functions
  from nnabla.initializer import UniformInitializer
label_desc: Use image node_id 4 for calling a global function with example usage: test_parameter_scope_slash() without return types