CHALLENGE

ACTIVITY

$5\mathrm{.}2\mathrm{.}2$: While loops.

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A while loop reads characters from input into variable in$\_$val. Write an expression that executes the while loop until character $\text{'}$s$\text{'}$ is read into in$\_$val.

$$ Click here for example

Note:

First, delete the comment $\text{'}.\text{'}\text{'}$ your code goes here $\text{'}.\text{'}.$ Then, insert your expression for the while loop condition.

Your expression should describe when the loop should iterate, not when the loop should terminate.