def __init__(self):
"""Sets the initial state of self, which includes the
contents of sourceCollection, if it's present."""
self._root = None
self.computer_mark = None
self.human_mark = None
BTree.__init__(self, root=None, computer_mark=None, human_mark=None)
def __init__(self, node):
BTree.__init__(self, node)
self.prlmb = lambda node: '({},{},{},{},{})'.format(
node.data, node.lr_child, node.deep, node.l_max_height, node.
r_max_height)
