deleting book this confirms that book has been deleted adding new book we also want to support adding new book to the bookshop the details of new book could just be added to the url as url path parametershowever as the amount of data to be added grows this would become increasingly difficult to maintain and verify indeed although historically there was limit of characters in microsoft' internet explore (iewhich has theoretically be removed since ie in practice there are typically still limits on the size of the url most web servers have limit of kb (or bytesalthough this is typically configurable there may also be client side limits (such as those imposed by ie or apple' safari (which usually have kb limitif the limit is exceeded in either browser or on the serverthen most systems will just truncate the characters outside the limit (in some cases without any warningtypically such data is therefore sent in the body of the http request as part of http post request this limit on the same of post requests message body is much higher (usually up to gbthis means that it is much more reliable and safer way to transfer data to web service howeverit should be noted that this does not mean that the data is any more secure than if it is part of the urljust that it is sent in different way from the point of view of the python functions that are invoked as the result of http post method request it means that the data is not available as parameter to