int ledBleu=8;
int ledViolet=7;
int Bouton=2;

void setup() {
  // put your setup code here, to run once:
pinMode(ledBleu,OUTPUT);
pinMode(ledViolet,OUTPUT);
pinMode(Bouton,INPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
int etat_Bouton=digitalRead(2);
if (digitalRead(2)==1){
  digitalWrite(ledBleu,HIGH);
  digitalWrite(ledViolet,HIGH);
}
else {
  digitalWrite(ledBleu,LOW);
  digitalWrite(ledViolet,LOW);
}
}