please insert a code for storing data using SD CARD SHIELD

"MQ-7 Carbon Monoxide Sensor Circuit with Arduino Added by Google Report const int AOUTpin=0;/the AOUT pin of the CO sensor goes into analog pin A0 of the arduino const int DOUTpin=8;//the DOUT pin of the CO sensor goes into digital pin D8 of the arduino const int ledPin=13;/the anode of the LED connects to digital pin D13 of the arduino int limit: int value; void setup() { Serial.begin(115200);sets the baud rate pinMode(DOUTpin, INPUT); /sets the pin as an input to the arduino pinMode(ledPin, OUTPUT); sets the pin as an output of the arduino void loop() value= analogRead(AOUT pin).reads the analaog value from the CO sensor's AOUT pin limit= digitalRead(DOUTpin) reads the digital value from the CO sensor's DOUT pin Serial.print("CO value: "); Serial.println(value); //prints the CO value Serial.print("Limit: "); Serial.print(limit);//prints the limit reached as either LOW or HIGH (above or underneath) delay(100); if (limit == HIGHX digitalWrite(ledPin, HIGH); if limit has been reached, LED turns on as status indicator elsel digitalWrite(ledPin, LOW):/ifthreshold not reached, LED remains "MQ-7 Carbon Monoxide Sensor Circuit with Arduino Added by Google Report const int AOUTpin=0;/the AOUT pin of the CO sensor goes into analog pin A0 of the arduino const int DOUTpin=8;//the DOUT pin of the CO sensor goes into digital pin D8 of the arduino const int ledPin=13;/the anode of the LED connects to digital pin D13 of the arduino int limit: int value; void setup() { Serial.begin(115200);sets the baud rate pinMode(DOUTpin, INPUT); /sets the pin as an input to the arduino pinMode(ledPin, OUTPUT); sets the pin as an output of the arduino void loop() value= analogRead(AOUT pin).reads the analaog value from the CO sensor's AOUT pin limit= digitalRead(DOUTpin) reads the digital value from the CO sensor's DOUT pin Serial.print("CO value: "); Serial.println(value); //prints the CO value Serial.print("Limit: "); Serial.print(limit);//prints the limit reached as either LOW or HIGH (above or underneath) delay(100); if (limit == HIGHX digitalWrite(ledPin, HIGH); if limit has been reached, LED turns on as status indicator elsel digitalWrite(ledPin, LOW):/ifthreshold not reached, LED remains