# Lists the object's attributes
print(tree.__dict__)
# Lists an object's functions
# for ele in dir(tree):
# if (callable(getattr(tree,ele))):
# print(ele)
# a---b---c
# |---d
# edge (b,c) b is tail, c is head tail----head internal---tip
# Only heads are TIPS
# EDGES
internal_counter = 0
#for edge in tree.level_order_edge_iter():
for edge in tree.postorder_edge_iter():
#print "edge:" + str(edge) + "--"
tail = edge.tail_node
head = edge.head_node
if (not head.is_leaf()):
internal_counter += 1
else:
print(head.taxon)
#print node
#print node.taxon
#print node.parent_node
