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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 _prepare_orders(self, orders):
 """ Each order needs to have all it's details filled with default value, or None, in case those are not already filled. """


        for detail in PAYU_ORDER_DETAILS:
            if not any([detail in order for order in orders]):
                for order in orders:
                    order[detail] = PAYU_ORDER_DETAILS_DEFAULTS.get(detail, None)

        return orders