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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 _user_yes_no_query(self, question):
 """ Helper asking if the user want to download the file Note: Dowloading huge file can take a while """

        sys.stdout.write('%s [y/n]\n' % question)
        while True:
            try:
                return strtobool(raw_input().lower())
            except ValueError:
                sys.stdout.write('Please respond with \'y\' or \'n\'.\n')