Zampa breaks the partnership with the wicket of Litton. The right-hander misses the sweep as the ball goes off the pads and into the stumps.
Litton walks back after a struggling knock of 16 from 25 balls, having put on 58 runs for the second wicket with Shanto to rally Bangladesh after an early wicket.
Rishad Hossain promoted to No 4 attempts the slog sweep first ball but is beaten as the leg before shout is turned down.
He taps the fifth ball on the off-side and Shanto pulls the last ball for one.
Just three runs and a wicket for Zampa in his second over as Australia continue to keep Bangladesh's batters in check.