16.5. Subdividing a problem

One of the advantages of the object-oriented approach is that it can hide complexity. For example, while we need to know how to use the urllib and BeautifulSoup code, we do not need to know how those libraries work internally. This allows us to focus on the part of the problem we need to solve and ignore the other parts of the program.

This ability to focus exclusively on the part of a program that we care about and ignore the rest is also helpful to the developers of the objects that we use. For example, the programmers developing BeautifulSoup do not need to know or care about how we retrieve our HTML page, what parts we want to read, or what we plan to do with the data we extract from the web page.

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