Python Core Concepts: Iteration, Slicing, and Turtle Graphics
Negative Indexing and List SlicingPython sequences support negative indexing, allowing access to elements from the end. For instance, an index of -2 retrieves the penultimate item.dataset = [10, 20, 30, 40, 50] penultimate = dataset[-2] # Retrieves 40 Slicing extracts sub-sequences using the syntax...