my$\_$list $=[6,2,8,-1,12,15,-7]$

$x=$ Get first my$\_$list value

While $x$ is not negative

put "Positive number!" to output

$x=$ Get next my$\_$list value

Put "Done" to output

Python

How many times will the body of the loop execute?

$3$

$4$

$5$

$7$