def retrieve(self, id) :
_, _, product = self.http_client.get("<STR_LIT>".format(id=id))<EOL>return product<EOL>
Retrieve a single product

Returns a single product, according to the unique product ID provided
If the specified product does not exist, the request will return an error

:calls: ``get /products/{id}``
:param int id: Unique identifier of a Product.
:return: Dictionary that support attriubte-style access and represent Product resource.
:rtype: dict