code: def _to_pairs(x, n, m=2):
      if ivy.isscalar(x):
          return ((x,) * m,) * n
      elif len(x) == m and ivy.isscalar(x[0]):
          return ((*x[:m],),) * n
      elif len(x) != n:
          ivy.utils.assertions.check_equal(
              ivy.asarray(list(x)).shape,
              (n, m),
              message=(
                  "tuple argument should contain "
                  "ndim pairs where ndim is the number of "
                  "the input's dimensions"
              ),
              as_array=False,
          )
      return x
  
imports: from typing import Optional, Union, Tuple, Iterable, Sequence, Callable, Any, Literal, List
  from numbers import Number
  from functools import partial
  import math
  import ivy
  from ivy.func_wrapper import handle_out_argument, handle_partial_mixed_function, to_native_arrays_and_back, inputs_to_native_shapes, handle_nestable, handle_array_like_without_promotion, handle_view, inputs_to_ivy_arrays, handle_array_function, handle_device, handle_backend_invalid
  from ivy.functional.ivy.general import _numel
  from ivy.utils.backend import current_backend
  from ivy.utils.exceptions import handle_exceptions
label_desc: Use image node_id 22 for calling a global function with example usage: _to_pairs(x, n, m) and returns: x, unknown, unknown