This book is focused on how a beginner can enter the computer and data science world in the fastest way! To start working as a junior developer or data scientist it is essential to be familiar with object-oriented programming concepts, be comfortable with a strong programming language and understand how to solve problems! It is not easy to keep up with the market and gain new skills. So I wanted to write a book that takes from a beginner to a junior Python developer faster than any other book! By explaining only, the absolutely necessary concepts for writing clean and organized code, you can start from scratch and reach till the point that you will be ready to give coding exams or an interview for a developer’s position as a freelancer or as an employee. Additionally, it is all you need to start working as a data scientist since you will not only find coding examples and exercises in it, but you will also get familiar to data types, data structures, the most popular in software development algorithms and finally a range of problems which will sharp your programming skills and problem solving instincts.Study the gist of computer science while you learn how to program in Python, which is the most commonly used by the biggest data science companies programming language.In less than 100 pages you can see examples and descriptions of object oriented programming concepts, data types analysis, the theory about the most useful data structures and how to traverse them, explanation of the most used in the market algorithms and how to analyse algorithms’ complexity. After the theory you will find 31 solved exercises, useful platforms and tips for more training and evolving your skills!As Python is one of the most popular programming languages today and allows you to write quickly and easily programs, work with big data and be part of a huge community, buy this book to improve your career and land a job with a better salary!