Python Exercises: Files and Strings

Learn the fundamentals of files: what they are, how they’re named, and how to interact with them. Typically, the file format that you write to and read from will be one long string – a sequence of alphanumeric characters. See how these differ from binary files such as images, which are composed of 1s and 0s. This lecture, presented by John Keyser, is from How to Program: Computer Science Concepts and Python Exercises. Programming is an eminently learnable skill that gives you unrivaled problem-solving power you can apply in all areas of life. It’s also a fun, creative activity that provides insight into how we control the devices that influence virtually every aspect of our lives. The 24 engaging and information-rich lessons of How to Program teach you one of the world’s most accessible and powerful computer languages, Python.