i need python code for a project. My project is an alarm system which is programable according to area and enviroment. Firstly i want my code to detect the object that i want to protect and then if anything touches it alarm will go on $($alarm is just a printed message$)$ i also want my program to protect an area same way. In this case we need restriction for the shape of the protected area or object you can do circle triangle it does not matter but select the easiest shape to do this project. Im using opencv also i will implement this on raspberry pi$.$ Lastly i want my program to select the object and then remember it all times so that it can check if anything touches it