class Binarytree:
def __init__(self,data):
self.data = data
self.left = None
self.right = None
def addChild(self, data):
if data == self.data:
return
if data < self.data:
if self.left:
self.left.addChild(data)
else:
self.left = Binarytree(data)
else:
if self.right:
self.right.addChild(data)
else:
self.right = Binarytree(data)
def inorder(self):
element = [ ]
if self.left:
element += self.left.inorder()
element.append(self.data)
if self.right:
element += self.right.inorder()
return element
def buildtree(element):
root = Binarytree(element[0])
for i in range(1,len(element)):
root.addChild(element[i])
return root
if __name__ == '__main__':
element = [39, 87, 21, 42, 95, 52, 12]
tree = buildtree(element)
print(tree.inorder())