code: def list_currency_rates(self, from_currency=None):
          
          return self.make_api_request(
              'Account',
              'listCurrencyRates',
              utils.get_kwargs(locals()),
              model=models.CurrencyRate,
          )
docs: Returns a list of currency rates based on given currency
  
          :param str from_currency: The currency from which the rates are computed