// Common Anode
// Define all the pins as integers 
int A = 23;
int B = 22;
int C = 15;
int D = 2;
int E = 4;
int F = 19;       
int G = 18;

void setup() {
  
  pinMode(A, OUTPUT);
  pinMode(B, OUTPUT);
  pinMode(C, OUTPUT);
  pinMode(D, OUTPUT);
  pinMode(E, OUTPUT);
  pinMode(F, OUTPUT);
  pinMode(G, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  // display 0
    digitalWrite(A, LOW);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
    digitalWrite(G, HIGH);

    delay(1000);
 // display 1
    digitalWrite(A, HIGH);
    digitalWrite(B, LOW);
    digitalWrite(C, LOW);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, HIGH);
     digitalWrite(G, HIGH);
    delay(1000);

     // display 2
    digitalWrite(A, HIGH);
    digitalWrite(B, HIGH);
    digitalWrite(C, LOW);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, LOW);
    digitalWrite(G, HIGH);
    delay(1000);

    // display 3
    digitalWrite(A, HIGH);
    digitalWrite(B, HIGH);
    digitalWrite(C, HIGH);
    digitalWrite(D, HIGH);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
     digitalWrite(G, HIGH);
    delay(1000);

    // display 4
    digitalWrite(A, LOW);
    digitalWrite(B, HIGH);
    digitalWrite(C, HIGH);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, HIGH);
     digitalWrite(G, HIGH);
    delay(1000);

    // display 5
    digitalWrite(A, HIGH);
    digitalWrite(B, LOW);
    digitalWrite(C, HIGH);
    digitalWrite(D, HIGH);
    digitalWrite(E, LOW);
    digitalWrite(F, HIGH);
     digitalWrite(G, HIGH);
    delay(1000);

    // display 6
    digitalWrite(A, HIGH);
    digitalWrite(B, LOW);
    digitalWrite(C, HIGH);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, HIGH);
     digitalWrite(G, HIGH);
    delay(1000);

    // display 7
    digitalWrite(A, HIGH);
    digitalWrite(B, HIGH);
    digitalWrite(C, HIGH);
    digitalWrite(D, LOW);
    digitalWrite(E, LOW);
    digitalWrite(F, LOW);
     digitalWrite(G, LOW);
    delay(1000);

    // display 8
    digitalWrite(A, HIGH);
    digitalWrite(B, HIGH);
    digitalWrite(C, HIGH);
    digitalWrite(D, HIGH);
    digitalWrite(E, HIGH);
    digitalWrite(F, HIGH);
     digitalWrite(G, HIGH);
    delay(1000);
    

    // display 9
    digitalWrite(A, HIGH);
    digitalWrite(B, HIGH);
    digitalWrite(C, HIGH);
    digitalWrite(D, HIGH);
    digitalWrite(E, LOW);
    digitalWrite(F, HIGH);
     digitalWrite(G, HIGH);
    delay(1000);

   
}