遞歸當前目錄下所有文件夾

import os
a = os.path.abspath(’…’)
#a =E:\untitled1-python2.7
x = []
def lal(a):
for i in os.listdir(a):
#print(i)
i =os.path.join(a,i)# i =E:\untitled1-python2.7.idea\encodings.xml
if os.path.isdir(i):
x.append(i)
lal(i)
else:
pass
lal(a)
print(x)