voidsetup(){Serial.begin(9600);while(!Serial){;// wait for serial port to connect. Needed for native USB port only
}intx=42;Serial.print("The absolute value of ");Serial.print(x);Serial.print(" is ");Serial.println(abs(x));x=-42;Serial.print("The absolute value of ");Serial.print(x);Serial.print(" is ");Serial.println(abs(x));}voidloop(){}