What are some use cases for iterables and iterators in Python?

What are some use cases for iterables and iterators in Python?

Iterables and iterators are essential for efficient data handling in Python. Use cases include looping through data, lazy evaluation, and working with large datasets.

Can you give me an example of using an iterator?

Sure! You can create a custom iterator by defining a class with __iter__() and __next__() methods. For example, a Fibonacci sequence generator.

How do I convert a list into an iterator?

You can convert a list into an iterator using the iter() function. For example, my_list = [1, 2, 3]; my_iterator = iter(my_list).

What are the benefits of using iterators over lists?

Iterators are more memory efficient as they generate items on-the-fly, allowing you to work with large datasets without loading everything into memory.