Question: Suppose you have to write a program that will work as the single controlling mechanism for switching off / on your home appliances. If you

Suppose you have to write a program that will work as the single controlling
mechanism for switching off/ on your home appliances.
If you will go to the office, then it will do following operations:
Switch OFF Lights
Switch OFF TV
Enable Home Security System
Again when you will come back to home from office then following operations will
be performed:
Switch ON Lights
Switch ON TV
Disable Home Security System
Following classes were implemented for this system. Lights. TV.
HomeSecurtiySystem, are subsystem classes and class namely x provides an
interface for client to access complex subsystem.
What is the name of this design pattern?
Suppose you have to write a program that will work as

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