<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def transaction_search(self, **kwargs):
 """Shortcut for the TransactionSearch method. Returns a PayPalResponseList object, which merges the L_ syntax list to a list of dictionaries with properly named keys. Note that the API will limit returned transactions to 100. Required Kwargs * STARTDATE Optional Kwargs STATUS = one of ['Pending','Processing','Success','Denied','Reversed'] """

        plain = self._call('TransactionSearch', **kwargs)
        return PayPalResponseList(plain.raw, self.config)