def linkedlist_contains(temp_list: SinglyLinkedList, element):
    return temp_list.contains(element)
def sll_remove_obj(temp_list: SinglyLinkedList, element):
    if temp_list.contains(element):
        temp_list.remove(element)
    return temp_list
def sll_remove_all(temp_sll: SinglyLinkedList, element):
    while temp_sll.contains(element):
        temp_sll.remove(element)
    return temp_sll