On Sun, Sep 1, 2019 at 4:16 PM Hongyi Zhao <hongyi.zhao at gmail.com> wrote: > > Hi, > > The following two forms are always equivalent: > > ``if var'' and ``if var is not None'' > Ahhhhhh... False. I'll go False. I'll be honest, I might have heard that one before, though. Sort of cheating. ChrisA