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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 sell(self, product_id, order_type, **kwargs):
 """Place a sell order. This is included to maintain backwards compatibility with older versions of cbpro-Python. For maximum support from docstrings and function signatures see the order type-specific functions place_limit_order, place_market_order, and place_stop_order. Args: product_id (str):
 Product to order (eg. 'BTC-USD') order_type (str):
 Order type ('limit', 'market', or 'stop') **kwargs: Additional arguments can be specified for different order types. Returns: dict: Order details. See `place_order` for example. """

        return self.place_order(product_id, 'sell', order_type, **kwargs)