import?tree
import?treeplot

fr=open（‘D:/python/tree/lenses.txt‘）

#?將每一行的文本單詞，提取出來
lenses=[inst.strip（）.split（‘\t‘）?for?inst?in?fr.readlines（）]

lensesLabels=[‘age‘‘prescript‘‘astigmatic‘‘tearRate‘]
lensesTree=tree.createTree（lenseslensesLabels）
treeplot.createPlot（lensesTree）

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????????795??2012-01-09?21:40??lenses.txt
?????文件?????????322??2015-08-15?14:29??test_tree.py
?????文件????????6214??2015-08-15?11:16??tree.py
?????文件????????3722??2015-08-15?11:16??tree.pyc
?????文件?????????112??2015-07-10?15:17??treeclassify.txt
?????文件????????4021??2015-08-15?11:13??treeplot.py
?????文件????????3080??2015-08-15?11:14??treeplot.pyc