1, startpos = 0, 2, endpos = len(searchlist) -1, 3, while (startpos<= endpos):, 4, mid = (startpos + endpos) / 2, 5, if searchlist[mid] == goal:, 6, print(mid), 7, elif searchlist[mid] < goal:, 8, startpos = mid + 1, 9, else:, 10, endpos = mid - 1, 11, print ( "-1").

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