@classmethod
def from_files(cls, files, **options):
    """Create APNG from multiple files.
		
		This is same as::
		
			im = APNG()
			for file in files:
				im.append(file, **options)
				
		:arg list files: A list of file. See :meth:`PNG.open`.
		:arg options: Options for :class:`FrameControl`.
		:rtype: APNG
		"""
    o = cls()
    for file in files:
        o.append(file, **options)
    return o
