code: def round(self, value_array):
          
  
          min_value = self.domain[0]
          max_value = self.domain[1]
  
          rounded_value = value_array[0]
          if rounded_value < min_value:
              rounded_value = min_value
          elif rounded_value > max_value:
              rounded_value = max_value
  
          return [rounded_value]
docs: If value falls within bounds, just return it
          otherwise return min or max, whichever is closer to the value
          Assumes an 1d array with a single element as an input.