Preface to the Second Edition Preface to the First Edition 1. Introduction The Ascendance of Data What Is Data Science? Motivating Hypothetical: DataSciencester Finding Key Connectors Data Scientists You May Know Salaries and Experience Paid Accounts Topics of Interest Onward 2. A Crash Course in Python The Zen of Python Getting Python Virtual Environments Whitespace Formatting Modules Functions Strings Exceptions Lists Tuples Dictionaries defauhdict Counters Sets Control Flow Truthiness Sorting List Comprehensions Automated Testing and assert Object-Oriented Programming Iterables and Generators Randomness Regular Expressions Functional Programming zip and Argument Unpacking args and kwargs Type Annotations How to Write Type Annotations Welcome to DataSciencester! For Further Exploration 3. Visualizing Data matploflib Bar Charts Line Charts Scatterplots For Further Exploration 4. Linear Algebra ……