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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_previous_month(self):
 """Returns date range for the previous full month."""

        end = utils.get_month_start() - relativedelta(days=1)
        end = utils.to_datetime(end)
        start = utils.get_month_start(end)
        return start, end