HTTP protocol and building HTTP clients in python

In this section, we are going to introduce the HTTP protocol and how we can build HTTP clients with httplib. HTTP is an application-layer protocol that basically consists of two elements: a request made by the client, which requests from the server a specific resource specified by a URL, and a response, sent by the server, that supplies the resource that the client requested.

Introduction to the HTTP Protocol

The HTTP protocol is a stateless hyper-text data-transfer protocol that does not store the information exchanged between the client and server. This protocol defines the rules that clients, proxies, and servers must follow to exchange information.

Being a stateless protocol...