import cv2

# Read the image containing a QR code
img = cv2.imread("image.png")

# Create a QR code detector
qr_decoder = cv2.QRCodeDetector()

# Detect and decode the QR code
data, bbox, _ = qr_decoder.detectAndDecode(img)

if data:
    print("Decoded data:", data)
else:
    print("QR code not detected.")