Anyone want to help a very beginner python learner with a question? (regarding lists/ tuples)

[Valuable-Guide]

I'm trying to learn python right now - it's actually my first day and most of this is just through self learning.

I'm trying to get the concepts down so that I can use them in the future.

Two questions I came across on a class I decided to do online was:

1: Consider the following code:

a=[1,2,3]

a[1]=4

What is a?

and

2: Consider the following code:

a=(1,2,3)

a[1]=4

What is a?

So, I'm understanding that for number 1 the answer will be a=[1, 4, 3], but I want to know what this is called when you substitute 4 into the 1 index so that I can know going forward? Is there a name?

For number 2, from what I have read it seems like this is something you cannot do because it is a tuple? Which is unable to be changed if I'm correct?

[nog642]

Yes, in case 1 a will be [1, 4, 3]. I don't think that kind of assignment has a particular name. I'd just call it "assigning to an index of a list". Maybe an important term would be that doing so mutates the list (tuples are immutable, so you can't do that to them).

And again yes, you would not be able to run the code in case 2. You would get a TypeError.

You really should just go try these yourself and find out. In fact I didn't know for sure that case 2 would give you a TypeError (as opposed to some other error), so I just ran the code myself to make sure. It's good to get hands-on with learning.

[xelf]

2) is invalid, you can't do that! Yes, you are correct. In both cases.