hi, I have a dictionary in the form of {('A':(1,0)),('B':(2,1))} where the values are guaranteed to be unique. Given a specific value (e.g. (3,0)), how do i lookup the key? -- Sean Dwyer <ewe2@cvis.com.au> CAN Admin <ewe2@can.org.au> Web: http://ewe2.cvis.com.au/