Add Camera Access Check to AI Attendance Program #264
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This pull request introduces a camera access verification feature in the AI Attendance Program. The following changes have been made:
Camera Accessibility Check: Added a check to verify if the webcam is successfully opened. If the camera cannot be accessed, an error message is displayed, and the program exits gracefully.
Error Handling: Implemented error handling to ensure that the application provides feedback in case the camera is not accessible or fails to read the input frame.