EXTEND #1: Now try customizing your program! Be sure to meet these minimum technical requirements:

The perimeter of a rectangle is calculated with 2 times the height plus 2 times the width (perimeter = 2h + 2w).

1. Create a new variable under rect_area and name it rect_perim. Set it equal to the rectangle's perimeter.
2. Add a Variable Display above .mouse_move() to show rect_perim. Change the coordinates to 30,20.
3. Click Run. At the moment, rect_perim only shows a constant value. Click Next and Submit.

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