Python - [ File Object ] <<>> [ File Descrcptor ]

# File Descriptor  --   Integer
# File Object      --   Object that consist of attributs and methods
import sys
import os
# 文件对象
fout = sys.stdout
# 文件描述符
fout_desc = sys.stdout.fileno()

# 从文件描述符得到对应的文件对象
fout_ori = os.fdopen(fout_desc, "w", -1)