code: def _reverse(x):
      # Reverse array `x` in all dimensions
      return x[(slice(None, None, -1),) * x.ndim]
  
file_path: cupy/cupyx/scipy/signal/_signaltools_core.py
imports: import math
  import cupy
  from cupy._core import internal
  from cupyx.scipy import fft
  from cupyx.scipy.ndimage import _filters
  from cupyx.scipy.ndimage import _util
label_desc: Use image node_id 3 for calling a global function with example usage: _reverse(x) and returns: x