code: def unbound_rule_list_index(data, rules):
      """
      Find instances that are not covered by the rule list
  
      Parameters
      ----------
      data : const double[::1, :]
          Input instances
      rules : list
          Input rule list
  
      Returns
      -------
      ndarray
          Boolean index array for instances that are not covered by the rule list
      """
      index = np.full(len(data), True)
      for rule in rules:
          index = index & __unbound_rule_index(data, rule)
      return index
  
imports: import numpy
  import numba
label_desc: Use image node_id 9 for calling a global function with example usage: unbound_rule_list_index(data, rules) and returns: index