code: def _axis_reverse(a, axis=-1):
      """Reverse the 1-d slices of `a` along axis `axis`.
  
      Returns axis_slice(a, step=-1, axis=axis).
      """
      return _axis_slice(a, step=-1, axis=axis)
  
file_path: cusignal/python/cusignal/utils/arraytools.py
imports: import cupy
  import numpy
  from numba import cuda
label_desc: Use image node_id 7 for calling a global function with example usage: _axis_reverse(a, axis) and returns: _axis_slice