code: def ref_transpose(x, axes):
      return x.transpose(axes).copy()
  
file_path: nnabla/python/test/function/test_transpose.py
imports: import pytest
  import numpy
  import nnabla
  import nnabla.functions
  from nbla_test_utils import list_context
label_desc: Use image node_id 1 for calling a global function with example usage: ref_transpose(x, axes) and returns: x