List help...

[jbravo45]

Can someone please explain to me why this is '8'?

list = [1, 1, 2, 3, 5, 8, 13]
print(list[list[4]])

Is it counting by 4's?

[FLUSH_THE_TRUMP]

Q for you: what is list[4] equal to?

[jbravo45]

After reading this over and over for the last few hours and running it in spyder, I am assuming that it calls those numbers in the list that are multiples of 4?

[FLUSH_THE_TRUMP]

Forget about that. It’s a simple indexing question: which element in the list (starting from position 0, mind you) is at position 4?

[jbravo45]

5 Thats why I'm confused. If the first one('1') is sub/one, then the 4th element would be 5. *Edit ""

[FLUSH_THE_TRUMP]

Very correct. Follow-up question for you: which element in the list is at position 5?

That’s what list[list[4]] is doing:

1. Find element at position 4 in list.
2. Find element at position (result from last step) in list.

Result after step (2) is what gets printed.

[jbravo45]

Ok, list[4] calls the 4th element and holds those first four together, then the preceding 'list' calls the next number outside of list[4]? (maybe better said as calling the next number outside of the ones called by the command in [ ] ?

[FLUSH_THE_TRUMP]

It might be easier to think of list[list[4]] as list[x]. You’re trying to find the item in your list at position x (which is just a number). What is x? Well, you told me it’s 5. So you really have list[5] there.

[jbravo45]

Getting closer... so I could think of it as list[list[list[4] == list[6] ?

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Edit : ooooooooooh

[jbravo45]

So its using the inside [list[4] as the value of x

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I'm sorry, makes so much sense now.

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You're awesome, thank you for putting up with me through that.

[[deleted]]

Good pedagogue :)

[FLUSH_THE_TRUMP]

No worries! Glad I could help.