code: def set_last_value_to_one(probabilities):
          
  
          # Start from the last elem
          back_idx = - 1
  
          # All values equal to the last elem should be set to 1
          last_val = probabilities[back_idx]
  
          # for all elements or if a elem not equal to the last elem
          for _ in range(-1, -len(probabilities) - 1):
              if probabilities[back_idx] == last_val:
                  probabilities[back_idx] = 1
              else:
                  break
docs: !
          @brief Update the last same probabilities to one.
          @details All values of probability list equals to the last element are set to 1.