What is a Class in python, what does it do, why is it needed? [duplicate]

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Do I correctly understand what a class is?

Before you rant and rage and scream at me, understand that I tried searching everywhere, from google to this very site on what exactly a class in python is. I have found definitions of sorts, but have never been able to understand them fully. So here's the question. What is a class in python, what does it do, and why is it used?

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Class (in any language) basically help in implementing OOPS. By Following these principles, it becomes easier to maintain code & make changes etc.

I guess you start off by reading what OOPS is & then come back to Python.