Object-oriented implementation in Python of a printer and its printing queue
Let’s build an object-oriented implementation of a printer. In particular, we want to mimic the behaviour of the printer by means of its printing queue given...
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Identify strings made of matching symbols
Let’s build a function that mimics what happens in the text editor when the linter is checking for whether or not you remembered to close all of your opening...
Find the number of anagrams by words length
Let’s build an anagram finder together. An anagram is a word (or phrase) formed by rearranging the letters of a word (or phrase), typically using all the ori...
Suggest the best real-time fraud detection model and the metrics to optimize it for
Let’s pretend that you work in a Payment Service Provider company and you are required to build a model to detect frauds on its platform. How would you choos...
Select a random number from a stream with O(1) space
An algorithm is said to take “constant space complexity”, i.e. O(1), if the additional space complexity used by the algorithm, meaning the extra space that i...