Downsides of Pexpect and Paramiko compared to other tools

The biggest downside of our method so far is that the remote devices do not return structured data. They return data that is ideal to be fitted on a terminal to be interpreted by a human, not by a computer program. The human eye can easily interpret a space, while a computer only sees a return character. 

We will take a look at a better way in the upcoming chapter. As a prelude to Chapter 6, APIs and Intent-Driven Networking, let's discuss the idea of idempotency.