Implement the PUT Endpoint for Updating an Existing Product

REST API uses PUT to update an existing resource in a collection. We’ll see how to implement an API endpoint that uses PUT to update an existing product in the collection.

The request object of Flask can be used to retrieve the body of a PUT request, and path parameter mapping can be used to get the ID of the product to be updated. The Route decorator can be used to map a method to the PUT request. Let’s see how to do the same.