<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_dividendhistory(self, symbol, startDate, endDate, items=None):
 """Retrieves divident history """

        startDate, endDate = self.__get_time_range(startDate, endDate)
        response = self.select('yahoo.finance.dividendhistory', items).where(['symbol', '=', symbol], ['startDate', '=', startDate], ['endDate', '=', endDate])
        return response