This is a Python script that prompts the user for input and generates a QR code based on the selected input type. The script includes several functions:
generate_qr_from_text: generates a QR code from a text input and saves it as a PNG file.
generate_qr_from_image: generates a QR code from an image input and saves it as a PDF file.
generate_qr_from_camera: generates a QR code from a camera input and saves it as an SVG file.
generate_qr_from_file: generates a QR code from a file input and saves it as a PNG file.