import random
from binarytree import build
def app():
data = []
for i in range(9):
data.append(i)
random.shuffle(data)
root = build(data)
root.pprint(index=True, delimiter=',')
print('binarytree标准遍历', root.values)
print('-----')
nodes = my_travel(root)
print('广度遍历', nodes)
# 广度遍历，从左至右，自顶向下
def my_travel(root):
nodes = []
Q = [root[0]]
while True:
n = Q[0]
nodes.append(n.value)
del (Q[0])
if n.left != None:
Q.append(n.left)
if n.right != None:
Q.append(n.right)
if len(Q) == 0:
break
return nodes
if __name__ == '__main__':
app()
运行输出：
_____0,3_____
/ \
_____1,7_ _2,1_
/ \ / \
_3,0_ 4,8 5,2 6,5
/ \
7,4 8,6
binarytree标准遍历 [3, 7, 1, 0, 8, 2, 5, 4, 6]
-----
广度遍历 [3, 7, 1, 0, 8, 2, 5, 4, 6]
