Slicing in Python - What is It?

The document explains slicing in Python, a feature that allows accessing, modifying, and deleting parts of sequences such as strings, tuples, and lists. It covers indexing, the syntax for slicing, and provides examples, including the use of negative indices and the special slice class. The article highlights the power of slicing for writing cleaner code and how it can be applied in custom classes with methods for item access and modification.