在 2014年11月5日星期三UTC+8下午8时17分11秒，larry....@gmail.com写道： > On Wed, Nov 5, 2014 at 7:13 AM, Ivan Evstegneev <webmailgro...@gmail.com> > wrote: > > Firtst of all thanks for reply. > > > >>>brackets [] means that the argument is optional. > > > > That's what I'm talking about (asking actually), where do you know it from? > > I know it because I've been a programmer for 39 years.
that's awesome！！ -- https://mail.python.org/mailman/listinfo/python-list
