play method
Implementation
play(JungGanBo jungGanBo) {
for (var i = 0; i < jungGanBo.sheet.length; i++) {
for (var j = 0; j < jungGanBo.sheet[i].yulmyeongs.length; j++) {
print(i.toString() + " " + j.toString() + " " + jungGanBo.sheet[i].yulmyeongs[j].toHangeul());
}
}
playJungGanBo(jungGanBo);
}