The Democratic Republic of SÃ # o TomÃ and PrÃ ncipe is the second smallest african country , formed by two islands : SÃ # o TomÃ , and PrÃ ncipe . SÃ # o TomÃ and PrÃ ncipe is divided into 2 provinces : PrÃ ncipe , SÃ # o TomÃ .