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Explore the program below, referring to the task description to know what task the chunk of code is supposed to execute. Explain why the program is not working as intended, then rewrite/rework the program so that it performs the intended task as stated in the description.

The following situation uses a robot in a grid of squares. The robot is represented by a triangle which is initially in the top left square and facing right. The robot may not travel through the black squares. The program below is intended to move the robot from its starting position to the gray square, but it is not currently working. The program segment uses the procedure called GoalReached , which evaluates to true if the robot is in the gray square and evaluates to false otherwise.

In complete sentences, explain why the program is not working as intended, and also provide a solution that allows the program to perform its intended task.

Sentence :The robot would move forward two squares and would stay stuck there because it can not move forward nor turn left. You would need to add code for the robot to be able to turn right so that the robot can reach the goal

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MrRoyal MrRoyal · Answer 2 · 2021-10-12T09:55:47+02:00

There are several reasons that could make a code segment not to work.

The attached code is not working because, the method ROTATE_RIGHT() is missing

From the given code segment, we have the following observations

The robot can turn left using ROTATE_LEFT()
The robot can move forward using MOVE_FORWARD()

However, when there is a need for the robot to turn right, the code segment does not have a provision for that.

Hence, the reason the code is not working is because:

The method ROTATE_RIGHT() is missing

The solution to this is to provide a ROTATE_RIGHT() method in the code segment