code: def _variable(x):
      x = ivy.to_native(x, nested=True)
      ret = ivy.nested_map(
          current_backend(x).variable,
          x,
          include_derived=True,
          shallow=False,
      )
      return ivy.nested_map(ivy.to_ivy, ret, include_derived=True)
  
imports: from typing import Sequence, Union, Optional, Tuple, Callable
  import numpy
  import itertools
  import ivy
  from ivy.utils.backend import current_backend
  from ivy.func_wrapper import handle_array_function, inputs_to_ivy_arrays, to_native_arrays_and_back, handle_out_argument, handle_nestable, handle_array_like_without_promotion, handle_device, handle_backend_invalid
  from ivy.utils.exceptions import handle_exceptions
label_desc: Use image node_id 17 for calling a global function with example usage: _variable(x) and returns: ivy