code: def rice_rule(a_batch: np.ndarray) -> int:
      """
      Rice rule to compute the number of bins.
  
      Parameters
      ----------
      a_batch: np.ndarray
          The batch of attributions to use in the calculation.
  
      Returns
      -------
          integer
      """
  
      n = a_batch[0].ndim
      n_bins = int(2 * np.power(n, 1 / 3))
  
      return n_bins
  
imports: import scipy
  import numpy
label_desc: Use image node_id 5 for calling a global function with example usage: rice_rule(a_batch) and returns: n_bins