Learn the best methods to access the last element of a Python list. Compare negative indexing vs. length calculation with performance insights and best practices for Pythonic code.
Discover the best methods to check if a list is empty in Python. Learn boolean evaluation, length comparison, and best practices for handling empty lists efficiently.
Master Python's slice notation [start:stop:step] with clear examples. Learn how negative indices, step values, and default parameters work. Perfect for beginners and experienced developers.