def remove(self, elem):
node = Node(elem)
if self.__my_list.head().get_element() == node.get_element():
self.__my_list.remove_head()
return 1
p = self.__my_list.head()
if p is not None:
while p.get_next() is not None:
if p.get_next().get_element() == node.get_element():
p.set_next(p.get_next().get_next())
return 1
p = p.get_next()
return 0
def add(self, elem):
''' add an element to the set but make sure that the element is not already in the set (do not raise an error)
'''
node = Node(elem)
p = self.__my_list.head()
while p is not None:
if p.get_element() == node.get_element():
return 0
p = p.get_next()
self.__my_list.add_head(node)
return 1
