Engineering in the Kitchen

A web server is a program that listens for requests for web pages and returns content. In the "old days", the web page content was stored in a file somewhere on the web server. % URL is a path to a file The web server's job was simply to look up the file, and send its contents back to the client. % These days, % URL is still a path % Since the URL is no longer the path to an actual file, it is common to leave off the file extension Numerous tools and frameworks exist for building web servers in Python; we will use a minimalist one suitable for microcontrollers called Microdot¹.