arduino substring() 함수와 배열(집합) 응용 (4)

String A[] = {"g2x10","g1y10","G0x10y10","g3y20","g0y15","g4x5y18","g2x6"};
void setup(){
Serial.begin(115200);
for(int x=0;x<=6;x++){
 String xy=A[x].substring(0,2);
 Serial.println(xy);
}
}
void loop(){}