code: def money_flow(close_data, high_data, low_data, volume):
      
      catch_errors.check_for_input_len_diff(
          close_data, high_data, low_data, volume
          )
      mf = volume * tp(close_data, high_data, low_data)
      return mf
docs: Money Flow.
  
      Formula:
      MF = VOLUME * TYPICAL PRICE