code: def floor_ceil(n: float) -> tuple[int, int]:
      """
      Returns floor and ceil of the input
  
      Args:
          n: input number
  
      Returns:
          A tuple containing:
              (1) floor(n)
              (2) ceil(n)
      """
      return math.floor(n), math.ceil(n)
  
file_path: MONAI/monai/apps/reconstruction/networks/nets/utils.py
imports: from __future__ import annotations
  import math
  from torch import Tensor
  from torch.nn import functional
  from monai.apps.reconstruction.complex_utils import complex_conj_t, complex_mul_t
  from monai.networks.blocks.fft_utils_t import fftn_centered_t, ifftn_centered_t
label_desc: Use image node_id 8 for calling a global function with example usage: floor_ceil(n) and returns: math,  math