new_lst = ["Alex", "Moin", "ka", "world", "Zh", "lakj"]
s_lst = sorted(new_lst)

def bnr_search(lst, target):
    low = 0
    high = len(lst) - 1

    while low <= high:
        mid = (low + high) // 2

        if lst[mid] == target:
            print("found target")
            return mid
        elif lst[mid] < target:
            low = mid + 1
        else:
            high = mid - 1

    return None, print("not found")


bnr_search(s_lst, "Alex")