code: def limit(x, epsilon=1e-6):
      out = np.empty(shape=x.shape, dtype=x.dtype)
      mask1 = np.abs(x) < epsilon
      out[mask1] = 0
      mask2 = np.logical_not(mask1)
      out[mask2] = x[mask2] / np.abs(x[mask2])
      return out
  
label_desc: Use image node_id 1 for calling a global function with example usage: limit(x, epsilon) and returns: out