What are immutable variables in programming?

What are immutable variables in programming?

Immutable variables are variables whose values cannot be changed after they are created. They are often used in functional programming.

Can you give me an example of an immutable variable?

Sure! In Python, you can use a tuple as an immutable variable. Once a tuple is created, you cannot modify its elements.

Why would I use immutable variables?

Using immutable variables can help prevent accidental changes to data, making your code safer and easier to understand.

Are there any downsides to using immutable variables?

Yes, one downside is that they can lead to increased memory usage since a new instance must be created for any change.