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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_exif_data(self, image):
 """Returns a dictionary from the exif data of an PIL Image item. Also converts the GPS Tags"""

        exif_data = {}
        info = image._getexif()
        if info:
            for tag, value in info.items():
                decoded = TAGS.get(tag, tag)
                if decoded == "GPSInfo":
                    gps_data = {}
                    for t in value:
                        sub_decoded = GPSTAGS.get(t, t)
                        gps_data[sub_decoded] = value[t]

                    exif_data[decoded] = gps_data
                else:
                    exif_data[decoded] = value

        return exif_data