code: def multiplySeries(requestContext, *seriesLists):
      
  
      if not seriesLists or not any(seriesLists):
          return []
      seriesList, start, end, step = normalize(seriesLists)
  
      if len(seriesList) == 1:
          return seriesList
  
      name = "multiplySeries(%s)" % ','.join([s.name for s in seriesList])
      product = map(lambda x: safeMul(*x), zip_longest(*seriesList))
      resultSeries = TimeSeries(name, start, end, step, product)
      resultSeries.pathExpression = name
      return [resultSeries]
docs: Takes two or more series and multiplies their points. A constant may not be
      used. To multiply by a constant, use the scale() function.
  
      Example::
  
          &target=multiplySeries(Series.dividends,Series.divisors)