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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 serialize(self, x):
 """ Converts datetime.timedelta to a string :param x: the value to serialize. """

        weeks = x.days // 7
        days = x.days % 7
        hours = x.seconds // 3600
        minutes = (x.seconds % 3600) // 60
        seconds = (x.seconds % 3600) % 60
        result = "{} w {} d {} h {} m {} s".format(weeks, days, hours, minutes, seconds)
        return result