def binary_search(arr, target): low, high = 0, len(arr) - 1 while low <= high: mid = (low + high) // 2 if arr[mid] == target: return mid elif arr[mid] < target: low = mid + 1 else: high = mid - 1 return -1 sorted_list = [1, 2, 3, 4, 5, 6, 7, 8, 9] target_value = 6 result_index = binary_search(sorted_list, target_value) print(f"Sorted List: {sorted_list}\nIndex of {target_value}: {result_index}")
Output:
Sorted List: [1, 2, 3, 4, 5, 6, 7, 8, 9]
Index of 6: 5