// desing process and setup code programming c++

int A = 2;
int B = 3;
int C = 4;
int D = 5;
int E = 6;
int F = 7;
int G = 8;
int DP = 9;
int DIG4 = 10;
int DIG3 = 11;
int DIG2 = 12;
int DIG1 = 13;

const int PIN[7] ={A,B,C,D,E,F,G};
const int DIG[4] ={DIG4,DIG3,DIG2,DIG1};

void setup() {
  Serial.begin(9600);

  pinMode(DIG4, OUTPUT);
  pinMode(DIG3, OUTPUT);
  pinMode(DIG2, OUTPUT);
  pinMode(DIG1, OUTPUT);

  pinMode(DP, OUTPUT);

  for(int i=0;i<7;i++) {
    pinMode(PIN[i], OUTPUT);
  }

}

void loop() {

  digitalWrite(PIN[0], HIGH);

  digitalWrite(DIG4, HIGH);
  digitalWrite(DIG3, HIGH);
  digitalWrite(DIG2,0);
  digitalWrite(DIG1, LOW);
  delay(10);
  digitalWrite(DIG3, LOW);
  delay(10);

  
}