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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 get_search(self):
 """Get current search or search from session, reset page if search is changed"""

        old_search = self.get_session_value('search', '')
        search = self.get_and_save_value('search', '')
        if old_search != search:
            self.page = 1
            self.get_session_value('page', self.page)
        return search