© Wolfram Donat 2018
Wolfram DonatLearn Raspberry Pi Programming with Pythonhttps://doi.org/10.1007/978-1-4842-3769-4_5

5. The Web Bot

Wolfram Donat1 
Palmdale, California, USA
As anyone who has spent any time at all online can tell you, there is a lot of information available on the Internet. According to Google’s indexes, as of 2013 there were 4.04 billion web pages in existence, so there are likely many, many more than that today. Sure, a lot of those pages are probably cat pictures and pornography, but there are also hundreds of millions of pages with information on them. Useful information. It has been said that every piece of information that has been digitized exists somewhere on the Internet. It just has to be found—not an easy task when ...

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