Working with files in Python is pretty easy. But there’s a common mistake that can sneak into your code. Not closing the file ...

Map is a common way to transform lists in most programming languages. In Python, map is a function that loops over a list and applies a function (that you provide) to each item. Your function receives ...

Dan Pelzer made it his personal goal to read at least 100 pages every day, and he kept a list of every book he’d ever read ...