backups = [[x, re.match('.*(\d\d\d\d-\d\d-\d\d).*', x)] for x in backups]
backups = [[x[0], strptime(x[1].groups()[0], '%Y-%m-%d')] for x in backups]
backups = [[x, re.match('.*(\d\d\d\d-\d\d-\d\d).*', x)] for x in backups]
backups = [[x[0], strptime(x[1].groups()[0], '%Y-%m-%d')] for x in backups]