def make_graph(node_count = 10):
letters = "".join(getAllTheLetters())
def _get_label():
return choice(letters).upper() + choice(letters)
def _get_random_node(tree):
keys = range(len(tree))
random_key = choice(keys)
return tree.get_node_by_index(random_key).identifier
#print choice(letters)
tree= Tree()
label = _get_label()
root_node = tree.create_node(label, label.lower())
for i in range(node_count):
label = _get_label()
child_node = tree.create_node(label, label.lower(), parent=_get_random_node(tree))
return tree, root_node
