Narkoman Happy End

class LinkedNode:
    def __init__(self, content, prev = None, next = None):
        self.content = content
        self.prev = prev
        self.next = next

    def get_content(self):
        return self.content

    def set_content(self, content):
        self.content = content

    def get_next(self):
        return self.next

    def set_next(self, node):
        self.next = node

    def get_prev(self):
        return self.prev

    def set_prev(self, node):
        self.prev = node

    def __str__(self):
        return self.content

class LinkedList:
    def __init__(self):
        self.start = None
        self.item = None

    def add(self, content):
        if self.start:
            self.item.set_next(LinkedNode(content, self.item, None))
            self.item = self.item.get_next()
        else:
            self.start = LinkedNode(content, None, None)
            self.item = self.start

    def remove(self, content):
        iter = self.start
        while iter:
            if iter.content == content:
                iter.get_prev().set_next(iter.get_next())
            iter = iter.get_next()

    def __iter__(self):
        self.iter = self.start
        return self

    def __next__(self):
        if not self.iter:
            raise StopIteration
        current = self.iter
        self.iter = self.iter.get_next()
        return current


suicide = LinkedList()
suicide.add("noose")
suicide.add("gun")
suicide.add("knife")
suicide.add("drugs")

for method in suicide:
    print(method)
print()

suicide.remove("gun")

for method in suicide:
    print(method)
print()