code: def l2normalize(xp, v, eps):
      """Normalize a vector by its L2 norm.
  
      Args:
          xp (numpy or cupy):
          v (numpy.ndarray or cupy.ndarray)
          eps (float): Epsilon value for numerical stability.
  
      Returns:
          :class:`numpy.ndarray` or :class:`cupy.ndarray`
  
      """
      # TODO(crcrpar): Remove this when chainerx.linalg.norm becomes available.
      if xp is chainerx:
          # NOTE(crcrpar): `chainerx.power` is not available as of 2019/03/27.
          # See https://github.com/chainer/chainer/pull/6522
          norm = chainerx.sqrt(chainerx.sum(v * v))
      else:
          norm = xp.linalg.norm(v)
      return v / (norm + eps)
  
imports: import chainer
  from chainer import backend
  from chainer import configuration
  import chainer.functions
  from chainer import link_hook
  import chainer.links
  from chainer import variable
  import chainerx
label_desc: Use image node_id 1 for calling a global function with example usage: l2normalize(xp, v, eps) and returns: unknown