python实现文件批量拷贝

# Filename: CopyFiles.pyimport osimport os.pathfolder_capacity = 20def copy_files(src_dir, dest_dir):    count = 0    current_folder = ''        for item in os.listdir(src_dir):        abs_item = os.path.join(src_dir, item)        if os.path.isfile(abs_item):            count += 1            if count%folder_capacity == 1:                current_folder = os.path.join(dest_dir, str(count/folder_capacity))                os.mkdir(current_folder)            open(os.path.join(current_folder, item), 'wb').write(open(abs_item, 'rb').read())copy_files(r'C://src', r'C://dest')