def METHOD_NAME(self, cellnumber, newvalue):
    targetcell = self.get_all_forecast_override_inputs_elements()[cellnumber - 1]
    targetcell.clear()
    time.sleep(0.3)
    targetcell.send_keys(newvalue)
    time.sleep(0.3)
    targetcell.send_keys(Keys.RETURN)
    time.sleep(0.3)