Latihan-Python/tree.py at main · ibnuMalik14/Latihan-Python · GitHub

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class Node:
    def __init__(self, val):
        self.l = None
        self.r = None
        self.v = val

class Tree:
    def __init__(self):
        self.root = None

    def getRoot(self):
        return self.root

    def add(self, val):
        if(self.root == None):
            self.root = Node(val)
        else:
            self._add(val, self.root)

    def _add(self, val, node):
        if(val < node.v):
            if(node.l != None):
                self._add(val, node.l)
            else:
                node.l = Node(val)
        else:
            if(node.r != None):
                self._add(val, node.r)
            else:
                node.r = Node(val)

    def find(self, val):
        if(self.root != None):
            return self._find(val, self.root)
        else:
            return None

    def _find(self, val, node):
        if(val == node.v):
            return node
        elif(val < node.v and node.l != None):
            # Perbaikan: Tambahkan return di bawah ini
            return self._find(val, node.l)
        elif(val > node.v and node.r != None):
            # Perbaikan: Tambahkan return di bawah ini
            return self._find(val, node.r)

    def deleteTree(self):
        self.root = None

    def printTree(self):
        if(self.root != None):
            self._printTree(self.root)

    def _printTree(self, node):
        if(node != None):
            self._printTree(node.l)
            print(str(node.v) + ' ')
            self._printTree(node.r)

tree = Tree()
tree.add(3)
tree.add(4)
tree.add(0)
tree.add(8)
tree.add(2)

tree.printTree()
print(tree.find(3))
print(tree.find(10))
tree.deleteTree()
tree.printTree()