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

Sorting a list in Python is simple, and you have two options: In-place: Modifies the list. Out-of-place: Returns a new list and doesn't modify the original list. The sort method is in-place, and it ...

For example, using an index of -1 is a handy way to grab the last item from a list no matter the size of the list. In that case, list_of_ints[-1] yields 3, and list_of_objects[-1] yields None.

Learn about Python metaclasses, how to define and use them, and explore examples to understand their functionality with this comprehensive tutorial.