code: def parse(cls, fptr, offset, length):
          
          num_bytes = offset + length - fptr.tell()
          read_buffer = fptr.read(num_bytes)
          the_uuid = UUID(bytes=read_buffer[0:16])
          return cls(the_uuid, read_buffer[16:], length=length, offset=offset)
docs: Parse UUID box.
  
          Parameters
          ----------
          fptr : file
              Open file object.
          offset : int
              Start position of box in bytes.
          length : int
              Length of the box in bytes.
  
          Returns
          -------
          UUIDBox
              Instance of the current UUID box.