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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_item(self, table_name, key, attributes_to_get=None, consistent_read=False, object_hook=None):
 """ Return a set of attributes for an item that matches the supplied key. :type table_name: str :param table_name: The name of the table containing the item. :type key: dict :param key: A Python version of the Key data structure defined by DynamoDB. :type attributes_to_get: list :param attributes_to_get: A list of attribute names. If supplied, only the specified attribute names will be returned. Otherwise, all attributes will be returned. :type consistent_read: bool :param consistent_read: If True, a consistent read request is issued. Otherwise, an eventually consistent request is issued. """

        data = {'TableName': table_name,
                'Key': key}
        if attributes_to_get:
            data['AttributesToGet'] = attributes_to_get
        if consistent_read:
            data['ConsistentRead'] = True
        json_input = json.dumps(data)
        response = self.make_request('GetItem', json_input,
                                     object_hook=object_hook)
        if not response.has_key('Item'):
            raise dynamodb_exceptions.DynamoDBKeyNotFoundError(
                "Key does not exist."
            )
        return response