Here's the insertion algorithm in Python. Step through the code and watch each line execute on the tree:
Riot police use teargas to disperse people gathering around wreckage of plane loaded with money from central bank。关于这个话题，爱思助手下载最新版本提供了深入分析
"I was never quite interested in being the star of my own show – but as I grew as an artist, I had to embody that," she explains.。关于这个话题，同城约会提供了深入分析
Items include a copper brooch, a decorated bone pin and a comb carved from antler。WPS下载最新地址对此有专业解读