def __str__(self):
if self.root is None: return 'BinaryTree()'
buff = 'BinaryTree('
for x in node.traverse(self.root):
buff += '%s, ' % x
buff = buff.rstrip(', ')
buff += ')'
return buff
def __str__(self):
if self.root is None:
return 'BinaryTree()'
buff = 'BinaryTree('
for x in node.traverse(self.root):
buff += '%s ' % x
buff = buff.rstrip(', ')
buff += ')'
return buff
def traverse(self):
for x in node.traverse(self.root):
yield x
def traverse(self): for x in node.traverse(self.root): yield x
