def LongestFromList(ls: list):
    """
    Determines the object with the longest length inside a list.

    Args:
        ls: A list containing an array of objects.

    Returns:
        The object with the longest length from the list.
        None if not applicable.
    """
    try:
        current = ls[0]
        for obj in ls:
            if len(obj) > len(current):
                current = obj
        return current
    except:
        # There could be many reasons for which above code fails:
        # ls of length 0, obj of a type without support for len(), or ls is not an iterable.
        return None