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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 buildcommit(self):
 """ get build commit id. :return: build commit id or None if not found """

        # pylint: disable=len-as-condition
        if len(self.dutinformation) > 0 and (self.dutinformation.get(0).build is not None):
            return self.dutinformation.get(0).build.commit_id
        return None