What are common mutable structures in programming?

What are common mutable structures in programming?

Common mutable structures include lists, dictionaries, sets, and arrays. They allow for dynamic data manipulation.

Can you explain how lists are mutable?

Lists are mutable because you can change their content without creating a new list. You can add, remove, or modify elements.

What about dictionaries? How do they work?

Dictionaries are collections of key-value pairs. You can add, remove, or change values associated with keys, making them mutable.

Are there any performance considerations with mutable structures?

Yes, mutable structures can lead to performance issues if not managed properly, especially in concurrent environments.