Please give me a working example of the binary code

like posted below

Binary Search Set first to 0 Set last to the last subscript in the array Set found to false Set position to -1 While found is not true and first is less than or equal to last Set middle to the subscript half-way between arrayffirst] and array[last]. Ifarrayfmiddle] equals the desired value Set found to true Set position to middle Else If array[middle] is greater than the desired value Set last to middle - 1 Else Set first to middle+ End If. End While. Return position