Check if a list is a sublist of another list (Not subset )

check_sublist.py

def contains_sublist(big_list, sub_list):
    """
    :param big_list: list: bigger list to search in
    :param sub_list: list: sub-list
    :return: boolean: True if base_list contains sub_list, False otherwise
    """
    try:
        big_list.__str__().index(sub_list.__str__())
        return True
    except ValueError:
        return False