os.remove(   filename )   # filename: "要刪除的文件名"

import os 
def delete_file_folder(src): 
    '''delete files and folders'''
    if os.path.isfile(src): 
        try: 
            os.remove(src) 
        except: 
            pass
    elif os.path.isdir(src): 
        for item in os.listdir(src): 
            itemsrc=os.path.join(src,item) 
            delete_file_folder(itemsrc) 
        try: 
            os.rmdir(src) 
        except: 
            pass
  if __name__=='__main__': 
      dirname=r'G:/windows'
    print delete_file_folder(dirname)