find directory in directory python

1import os 
2#full path
3dir_path = os.path.dirname(os.path.realpath(__file__))
4
5#current dir
6cwd = os.getcwd()
7

1import os
2
3def listdir_r(dirpath):
4  	"""lists directories and sub-directories recursively. 
5    """
6    paths=[]
7    paths.append(dirpath)
8    for path in os.listdir(dirpath):
9        rpath = os.path.join(dirpath, path)
10        if os.path.isdir(rpath):
11            subdirs = listdir_r(rpath)
12            if not subdirs == []:
13                paths.extend(subdirs)
14    return paths
15
16# print the list of sub-directories
17print(listdir_r('./'))