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

When you create database tables with Python objects, you use a class to declare the behavior of each field first, then its type. For instance, a mandatory, distinct name field would be name ...

The Python array is designed to emulate the behavior of an array in C, and it’s meant chiefly to allow Python to work with C arrays. The array type is useful in those cases, but in almost every ...