code: def get_item(self, table, hash_key, range_key=None,
                   attributes_to_get=None, consistent_read=False,
                   item_class=Item):
          
          key = self.build_key_from_values(table.schema, hash_key, range_key)
          response = self.layer1.get_item(table.name, key,
                                          attributes_to_get, consistent_read,
                                          object_hook=item_object_hook)
          item = item_class(table, hash_key, range_key, response['Item'])
          if 'ConsumedCapacityUnits' in response:
              item.consumed_units = response['ConsumedCapacityUnits']
          return item
docs: Retrieve an existing item from the table.
  
          :type table: :class:`boto.dynamodb.table.Table`
          :param table: The Table object from which the item is retrieved.
          
          :type hash_key: int|long|float|str|unicode
          :param hash_key: The HashKey of the requested item.  The
              type of the value must match the type defined in the
              schema for the table.
          
          :type range_key: int|long|float|str|unicode
          :param range_key: The optional RangeKey of the requested item.
              The type of the value must match the type defined in the
              schema for the table.
              
          :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.
  
          :type item_class: Class
          :param item_class: Allows you to override the class used
              to generate the items. This should be a subclass of
              :class:`boto.dynamodb.item.Item`