windows下Python shell代码自动补全

Unix下实现如题功能用下面的代码：

import rlcompleter, readline
readline.parse_and_bind('tab: complete')

但readline不能在win中用，需要为windows编译好的pyreadline

pip install pyreadline

import rlcompleter, pyreadline

a=Readline()
a.parse_and_bind('tab: complete')