Iterators

Iterators are tools used in programming to access elements in a collection, such as a list or a set, one at a time. Think of them as a cursor or pointer that moves through the collection, allowing you to process each item sequentially without needing to know the collection’s internal structure. They facilitate efficient traversal, especially for large data sets, by providing a standard way to access items without loading everything into memory at once. Overall, iterators help make data handling cleaner, more organized, and easier to manage.