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But Walshe's men dominated the contest with Italy, particularly in the second half with Harry Sloan, Aaron Morris, Tom Woolstencraft, Callum Braley, Henry Purdy and Nathan Earle all in among the tries.
And Walshe was upbeat about the challenges that lie ahead, with the narrow opening day defeat to France the only blemish on an otherwise impressive competition.
"We've developed hugely over the course of the tournament, the performances have been extremely encouraging," he said. "I'm immensely proud of the whole group - not just the players but the management too.
"The players have been absolutely magnificent throughout the tournament, especially after a disappointing start against France - a game we felt we were good enough to win.
"We're still growing as a team. Our total focus is now on preparing for us to be able to perform at the Junior World Championship in June.
"The first half wasn't exactly what we planned. Italy made it tough for us all over the park. But we executed our game a lot better in the second period which was pleasing."