Consider the following list: "hard rock",$10,1\mathrm{.}2]$

What will list A contain affter the following command is run: del$($A$[1])?$

$10,1\mathrm{.}2$

$["$hard rock",$1\mathrm{.}2]$

$["$hard rock",$10]$

If $A$ is a list what does the following syntax do: $B=A[$:$]?$

assigns list $A$ to list $B$

variable $B$ references a new copy or clone of the original list $A$