TLDR
The Big-O is a way of figuring out how efficient an algorithm is. Algorithms are just instructions on how to search for something, within some data. When you’re working on a big project with a huge database, making your code run as efficient as possible can save huge costs in the long run. An algorithm explains every step of getting a glass of milk, assuming there are glasses in the cupboard, and milk in the fridge. Python takes all the hard stuff and puts it in a built in function for you to use.via the TL;DR App
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