Question

in the following code below from the cleanup karel example, what is the purpose of if statement #2? // this program has karel walk down the // row and clean up all of the tennis balls // on the way. function start() { while (frontisclear()) { // if statement #1 if (ballspresent()) { takeball(); } move(); } // if statement #2 if (ballspresent()) { takeball(); } } to move the last time to pick up the ball that is in the last spot to pick up the ball that is in the last spot if there is

Explanation:

The if statement #2 checks if a tennis - ball is present at the current position. If a ball is present (the condition ballsPresent() evaluates to true), the takeBall() function is called to pick up the ball. This is part of the overall task of cleaning up all tennis - balls in the row.

Answer:

To pick up the ball that is in the current spot if there is one.