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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 add_location(self, location):
 """ Add a media location to this subject. - **location** can be an open :py:class:`file` object, a path to a local file, or a :py:class:`dict` containing MIME types and URLs for remote media. Examples:: subject.add_location(my_file) subject.add_location('/data/image.jpg') subject.add_location({'image/png': 'https://example.com/image.png'}) """

        if type(location) is dict:
            self.locations.append(location)
            self._media_files.append(None)
            return
        elif type(location) in (str,) + _OLD_STR_TYPES:
            f = open(location, 'rb')
        else:
            f = location

        try:
            media_data = f.read()
            if MEDIA_TYPE_DETECTION == 'magic':
                media_type = magic.from_buffer(media_data, mime=True)
            else:
                media_type = imghdr.what(None, media_data)
                if not media_type:
                    raise UnknownMediaException(
                        'Could not detect file type. Please try installing '
                        'libmagic: https://panoptes-python-client.readthedocs.'
                        'io/en/latest/user_guide.html#uploading-non-image-'
                        'media-types'
                    )
                media_type = 'image/{}'.format(media_type)
            self.locations.append(media_type)
            self._media_files.append(media_data)
        finally:
            f.close()