That's going to mutate index again.

It doesn't mutate either of the input lists.

And as you're thinking about this, we're continuing to mutate.

We know the virus will mutate. It will be a different virus.

Life needs a membrane to contain itself so it can replicate and mutate.

So, we can see with numbers we can't mutate the value of a number.

When these mutate, they change their shape, and the antibodies don't know what they're looking at anymore.

You know, we mutate during four billion years before, but now, because it's me, we stop. Fin. (Laughter)

The name N now refers to the same value as A referred to, but we can't mutate that value.

What should happen this time we're going to mutate index, but instead of creating a new element we're going to mutate the element we already have we're going to look for the entry that matches udacity it's already in the index, so don't want to add a new one.

A staph cell can be next to a muscle cell in your body and borrow genes from it when antibiotics come, and change and mutate.

Cancer cells mutate, and they gain the ability to release lots of those angiogenic factors, natural fertilizer, that tip the balance in favor of blood vessels invading the cancer.

The danger is that some germ like staph will be will mutate into something that's really virulent, very contagious, and will sweep through populations before we can do anything about it.

The operands to the plus are P, which we already have, and the new list containing the elements 4 and 5, and remember what happens with plus it doesn't mutate any of the inputs.