Switch to last-active tab in VIM

Question

In Vim, is there a way to quickly toggle between the current tab and the last-active tab? Sort of the way \'\' toggles between the current line and the las

Answer 1

I use buffers and not tabs, but I am able to switch between the current and latest used buffer using :b#
Basics of using buffers are:

:e filename to open file in new buffer  
:bn to go to next buffer  
:bp to go to previous buffer  
:bd to close current buffer