Make _ be the last output result, like interactive python.
Make _ be the last output result, like interactive python.

jbaayen/reinteract,johnrizzo1/reinteract,jbaayen/reinteract,rschroll/reinteract,rschroll/reinteract,alexey4petrov/reinteract,jbaayen/reinteract,alexey4petrov/reinteract,alexey4petrov/reinteract,johnrizzo1/reinteract,johnrizzo1/reinteract,rschroll/reinteract