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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 __update_offset_table(self, fileobj, fmt, atom, delta, offset):
 """Update offset table in the specified atom."""

        if atom.offset > offset:
            atom.offset += delta
        fileobj.seek(atom.offset + 12)
        data = fileobj.read(atom.length - 12)
        fmt = fmt % cdata.uint_be(data[:4])
        offsets = struct.unpack(fmt, data[4:])
        offsets = [o + (0, delta)[offset < o] for o in offsets]
        fileobj.seek(atom.offset + 16)
        fileobj.write(struct.pack(fmt, *offsets))