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64 lines (59 loc) · 1.63 KB
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Copy pathbinarytree.py
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64 lines (59 loc) · 1.63 KB
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class Node:
def __init__(self, value):
self.value = value
self.left = None
self.right = None
class Tree:
def __init__(self):
self.root = None
def getRoot(self):
return self.root
def add(self, value):
if(self.root==None):
self.root = Node(value)
else:
self._add(value, self.root)
def _add(self, value, node):
if (value < node.value):
if (node.left != None):
self._add(value, node.left)
else:
node.left = Node(value)
else:
if (node.right != None):
self._add(value, node.right)
else:
node.right = Node(value)
def find(self, value):
if(self.root!= None):
return self._find(value, self.root)
else:
return None
def _find(self, value, node):
if (value == node.value):
return node
elif(value < node.value and node.left != None):
self._find(value, node.left)
elif (value > node.value and node.right != None):
self._find(value, node.right)
def deletTree(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.right)
print(str(node.value)+ '')
self._printTree(node.right)
tree = Tree()
tree.add(3)
tree.add(4)
tree.add(0)
tree.add(8)
tree.add(2)
tree.printTree()
print(tree.find(3).value)
print(tree.find(10))
tree.deletTree()
tree.deletTree()