docs: def norm_int_dict(int_dict):
      """Normalizes values in the given dict with int values.
  
      Parameters
      ----------
      int_dict : list
          A dict object mapping each key to an int value.
  
      Returns
      -------
      dict
          A dict where each key is mapped to its relative part in the sum of
          all dict values.
  
      Example
      -------
      >>> dict_obj = {'a': 3, 'b': 5, 'c': 2}
      >>> result = norm_int_dict(dict_obj)
      >>> print(sorted(result.items()))
      [('a', 0.3), ('b', 0.5), ('c', 0.2)]
      """
      norm_dict = int_dict.copy()
      val_sum = sum(norm_dict.values())
      for key in norm_dict:
          norm_dict[key] = norm_dict[key] / val_sum
      return norm_dict