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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 parse_output(self, hostname, output):
 """Parse plowup's output. For now, we just return the last line. :param hostname: Name of host you are working with. :type hostname: str :param output: Dictionary containing information about a plowshare action. :type output: dict :returns: Parsed and decoded output list. :rtype: list """

        if isinstance(output, bytes):
            output = output.decode('utf-8')
        return output.split()[-1]