class Node:
    def __init__(self) -> None:
        self.left = None
        self.right = None
        
wurzel = Node()
blattlinks = Node()
blattrechts = Node()

wurzel.links = blattlinks
wurzel.rechts = blattrechts


class Node:
    def _init_(self, data) -> None:
        self.left = None
        self.right = None
        self.leftweight = 0
        self.rightweight = 0
        self.data = data
        
nodes[]
nodes[0] = Node()
nodes[1] = Node()
nodes[2] = Node()

nodes[0].left = nodes[1]
nodes[0].right = nodes[2]

nodes[0].leftweight = 8
nodes[0].rightweight = 5