python遍历目录树代码详解编程语言

from os.path import basename, isdir 
from os import listdir 
 
def traverse(path, depth=0): 
    print depth* '| ' + '|_', basename(path) 
    if(isdir(path)): 
        for item in listdir(path): 
            traverse(path+'/'+item, depth+1) 
 
if __name__ == '__main__': 
    traverse('./')