from PIL import Image
import pathlib
import os

def convertImage():
    inputImagePath = r"/path/to/photo.jpg"
    pathToImage = pathlib.Path(inputImagePath).parent.resolve()
    targetFileName = "outputFilename"
    outputFile = os.path.join(pathToImage, f"{targetFileName}.jpg")
    img = Image.open(inputImagePath)
    img.save(outputFile, dpi=(600, 600), res=(2400,3600))
    img.close


if __name__ == "__main__":
    convertImage()