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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def getVerificators(self):
 """Returns the user ids of the users that verified this analysis """

        verifiers = list()
        actions = ["verify", "multi_verify"]
        for event in wf.getReviewHistory(self):
            if event['action'] in actions:
                verifiers.append(event['actor'])
        sorted(verifiers, reverse=True)
        return verifiers