X$1223$: Binary Search $($non$-$recursive$)$

Complete the following binary search method. Find the number search in the array numbers. Return $-1$ if the number is not found. You may assume the array is properly ordered.

Examples:

binarySearch $(\{1,4,7\},7)2$

binarySearch $(\{2,6,6,8,80\},6)2$