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 ...

Comprehensions This is definitely one of the most useful features of Python. Comprehension expressions are unmissable. The most common is the list comprehension. I’m sure the vast majority of ...