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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 _populate(self, json):
 """ Allows population of "from_date" from the returned "from" attribute which is a reserved word in python. Also populates "to_date" to be complete. """

        super(InvoiceItem, self)._populate(json)

        self.from_date = datetime.strptime(json['from'], DATE_FORMAT)
        self.to_date = datetime.strptime(json['to'], DATE_FORMAT)