assigns calculated version number to a variable so it is only calculated once
assigns calculated version number to a variable so it is only calculated once

chef/supermarket,chef/supermarket,nellshamrell/supermarket,chef/supermarket,robbkidd/supermarket,chef/supermarket,robbkidd/supermarket,nellshamrell/supermarket,juliandunn/supermarket,nellshamrell/supermarket,nellshamrell/supermarket,juliandunn/supermarket,juliandunn/supermarket,chef/supermarket,juliandunn/supermarket,robbkidd/supermarket,robbkidd/supermarket