What is mutability in Python data structures?

What is mutability in Python data structures?

Mutability refers to the ability of an object to be changed after it is created. In Python, some data structures like lists and dictionaries are mutable, meaning you can modify them, while others like tuples and strings are immutable.

Can you give me an example of a mutable and an immutable data structure?

Sure! A list is a mutable data structure. For example, you can add or remove elements from a list. A tuple, on the other hand, is immutable; once you create it, you cannot change its elements.

How do I know if a data structure is mutable or immutable?

You can check the documentation for the data structure or try modifying it. If you can change its contents, it's mutable; if not, it's immutable.

Are there any performance implications of using mutable vs immutable data structures?

Yes, mutable data structures can be more efficient for certain operations since they allow in-place modifications. However, immutable structures can be safer in concurrent programming as they prevent unintended side effects.