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In this video tutorial, the presenter demonstrates how to hide secret messages or executable files within PNG images using Python. Two approaches are covered: the first is a simple method that is easy to understand but also easy to detect, while the second is a more complex technique known as Least Significant Bit (LSB) encoding, which is less detectable. The tutorial follows a similar concept to a previous video on JPEG files, where only the simple appending method was discussed. In the case of PNG files, while the first approach does not alter the image, the second makes slight, imperceptible changes, resulting in a PNG file that appears identical to the original.
