Image processing using OpenCv
Write a program that opens the webcam, and the user selects one of the following on the video:
✅ If the user presses the 1 key: Place a non-square sticker on the face
✅ If the user presses the 2 key: Place the sticker on the eyes and lips
✅ If the user presses the 3 key: Checkmate the face
✅ If the user presses the 4 key: a pleasant fantasy effect
✅ if the user presses esc key, exit the program
