What values will list$2$ contain after the following code executes?

list$1=[1,2,3]$

list$2=[$item $+1$ for item in list$1]$

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Group of answer choices

$[1,2,3]$

$[6,7,8]$

$[2,3,4]$

$[[1,2,3],[2,3,4],[3,4,5]]$

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