<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def parse(cls, fptr, offset, length):
 """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. """

        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)