environment/share/doc/ipython/examples/parallel/interengine/bintree.py
def depth(n, tree):
    """get depth of an element in the tree"""
    d = 0
    parent = tree[n]
    while parent is not None:
        d += 1
        parent = tree[parent]
    return d
def depth(n, tree):
    d = 0
    parent = tree[n]
    while parent is not None:
        d += 1
        parent = tree[parent]
    return d
def depth ( n , tree ) : d = 0 parent = tree [ n ] while parent is not None : d += 1 parent = tree [ parent ] return d
get depth of an element in the tree
get depth of an element in the tree