Explanation and code examples of singly and doubly linked lists. — Programming concepts are very abstract. So every time when I study something new I try to visualize it, find a visual metaphor for the concept. Now I’ll share with you the metaphor that I’ve found to explain to myself the concept of the linked list. Someone who is interested can…

A simple explanation of the most common sorting and searching algorithms with one simple example. — Everyone who starts to study programming faces algorithms. I did too. They were the simplest but at the same time most common algorithms of sorting and searching. Every programmer uses them in day-to-day work. And, of course, every programming language provides its implementation. But it may be rather interesting and…

Simple statistics on the example of the world population. Using Pandas. — Starting my adventure in Data Analysis, of course, I’ve found it very necessary to know the main statistical approaches to data description. As I dived into it, I realized that it’s difficult for me to understand which indicator of central tendency to choose for given data. …