What is the difference between mutable and immutable collections in Python?

What is the difference between mutable and immutable collections in Python?

In Python, mutable collections can be changed after creation, like lists and dictionaries, while immutable collections cannot, like tuples and strings.

Can you give me examples of both types?

Sure! A list is a mutable collection: you can add or remove items. A tuple is an immutable collection: once created, you cannot change its elements.

Why would I use an immutable collection?

Immutable collections are useful for ensuring data integrity, as they prevent accidental changes and can be used as keys in dictionaries.

Are there performance differences between them?

Yes, immutable collections can be more memory efficient and faster for certain operations since they don't require additional memory for changes.