int redled=2;
int greenled=3;
int but=4;
int butdeger;
void setup() {
  pinMode(redled, OUTPUT);
  pinMode(greenled, OUTPUT);
  pinMode(but, INPUT );
  Serial.begin(9600);
  // put your setup code here, to run once:

}

void loop() {
  butdeger=digitalRead(but);
  Serial.println(butdeger);
  if (butdeger==1) {
    digitalWrite(redled, 1);
    digitalWrite(greenled, 0);
  }
  if (butdeger==0) {
    digitalWrite(redled, 0);
    digitalWrite(greenled, 1);
  }
  // put your main code here, to run repeatedly:

}
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