code: def test_get_set_pop_parameter():
      import nnabla as nn
      from nnabla.parameter import (
          set_parameter,
          pop_parameter,
          get_parameter,
      )
  
      nn.clear_parameters()
      x = nn.Variable((2, 3, 4, 5))
      key = "a/b/c"
      set_parameter(key, x)
      x2 = get_parameter(key)
      assert x is x2
      x3 = pop_parameter(key)
      assert x is x3
      x4 = get_parameter(key)
      assert x4 is None
  
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 1 for calling a global function with example usage: test_get_set_pop_parameter() without return types