def string_serializer(obj):
    """
    Helper Function to Serialize Objects. Keeps List / Dict Structure, but will Convert everything else to String.
    """
    if type(obj) in [list, tuple]:
        return list(map(string_serializer, obj))
    if type(obj) == dict:
        copy = {}
        for k, v in obj.items():
            copy[k] = string_serializer(v)
        return copy
    return str(obj)