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Copy pathbinaryTree.py
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78 lines (62 loc) · 1.71 KB
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class Node:
"""
single Node for tree
"""
def __init__(self, data):
self.data = data
self.right = None
self.left = None
class binaryTree:
"""
binary tree implementation
"""
def __init__(self):
self.root = None
def push(self, element, node=None):
if node is None:
node = self.root
if self.root is None:
self.root = Node(element)
else:
if element < node.data:
if node.left is not None:
self.push(element, node.left)
else:
node.left = Node(element)
else:
if node.right is not None:
self.push(element, node.right)
else:
node.right = Node(element)
def __str__(self):
return self.printInorder(self.root)
def printPreorder(self, node, traversal=""):
pass
def printPostorder(self, node, traversal=""):
pass
def printLevelOrder(self, node):
pass
def printInorder(self, node, traversal=""):
"""
print tree in inorder
"""
if node is not None:
traversal = self.printInorder(node.left, traversal)
traversal += str(node.data) + " - "
traversal = self.printInorder(node.right, traversal)
return traversal
def main():
"""
Main code and logic comes here
"""
tree = binaryTree()
tree.push(5)
tree.push(3)
tree.push(1)
tree.push(3)
tree.push(0)
tree.push(2)
tree.push(9)
print(tree)
if __name__ == "__main__":
main()