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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 is_image_format(self):
 """ Checks whether file format is an image format Example: ``MimeType.PNG.is_image_format()`` or ``MimeType.is_image_format(MimeType.PNG)`` :param self: File format :type self: MimeType :return: ``True`` if file is in image format, ``False`` otherwise :rtype: bool """

        return self in frozenset([MimeType.TIFF, MimeType.TIFF_d8, MimeType.TIFF_d16, MimeType.TIFF_d32f, MimeType.PNG,
                                  MimeType.JP2, MimeType.JPG])