FAQ: Collections - Container Wrappers

This community-built FAQ covers the “Container Wrappers” exercise from the lesson “Collections”.

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This exercise can be found in the following Codecademy content:

Learn Intermediate Python 3

FAQs on the exercise Container Wrappers

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I’ve been struggling to understand the functionality of this topic. It’s said that containers are made to make programming easier and while some containers in the collection are very useful and even fun to use (namedtuple, OrderedDict etc, ). I can’t seem to find the use of the UserDict, UserList and UserString, in my opinion they seem to complicate things unnecessarily, and I feel the examples used in the exercises are not providing a good value of its use. Is there any reason I should pick to use those instead of regular dict or list and if needed to apply classes with their respective instances?

I asked myself the same question upon first encountering these wrappers. Why not just inherit from dict, list, or string? Both are viable options, but as with most things, the choice depends on the use-case.

Trey Hunner put together a awesome article on this very topic that I think you’ll really enjoy.

Cheers and God bless!

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