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: cupy/cupyx/scipy/signal/_arraytools.py
imports: import cupy
label_desc: Use image node_id 3 for calling a global function with example usage: axis_reverse(a, axis) and returns: axis_slice