检查并创建目录mkdir

os.listdir()

os.path.isdir()

os.path.join()

os.mkdir()

 # -*- coding:utf-8 -*-
 import os,sys

 def mkdir(path = os.getcwd()):
     if 'img' in os.listdir(path) and os.path.isdir(os.path.join(path,'img')):
         pass
     else:
         os.mkdir(os.path.join(path,'img'))
     subpath = os.path.join(path,'img')
     dirs = ['t31','t32','t33','t34','t35','t36','t37','t38','t39']
     for dir in dirs:
         if dir in os.listdir(subpath) and os.path.isdir(os.path.join(subpath,dir)):
             pass
         else:
             os.mkdir(os.path.join(subpath,dir))

 if __name__=='__main__':
     mkdir('C:\\For Work')