display 7 segment arduino direct driver

int G=2;
int F=3;
int A=4;
int B=5;
int DP=6;
int C=7;
int D=8;
int E=9;

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

void zero(){
  digitalWrite(G, LOW);
  digitalWrite(F, HIGH);
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(E, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(DP, LOW);
}
void uno(){
  digitalWrite(G, LOW);
  digitalWrite(F, LOW);
  digitalWrite(A, LOW);
  digitalWrite(B, HIGH);
  digitalWrite(E, LOW);
  digitalWrite(D, LOW);
  digitalWrite(C, HIGH);
  digitalWrite(DP, LOW);
}
void due(){
  digitalWrite(G, HIGH);
  digitalWrite(F, LOW);
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(E, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(C, LOW);
  digitalWrite(DP, LOW);
}
void tre(){
  digitalWrite(G, HIGH);
  digitalWrite(F, LOW);
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(E, LOW);
  digitalWrite(D, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(DP, LOW);
}
void quattro(){
  digitalWrite(G, HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(A, LOW);
  digitalWrite(B, HIGH);
  digitalWrite(E, LOW);
  digitalWrite(D, LOW);
  digitalWrite(C, HIGH);
  digitalWrite(DP, LOW);
}
void cinque(){
  digitalWrite(G, HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(A, HIGH);
  digitalWrite(B, LOW);
  digitalWrite(E, LOW);
  digitalWrite(D, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(DP, LOW);
}
void six(){
  digitalWrite(G, HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(A, HIGH);
  digitalWrite(B, LOW);
  digitalWrite(E, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(DP, LOW);
}
void sette(){
  digitalWrite(G, LOW);
  digitalWrite(F, LOW);
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(E, LOW);
  digitalWrite(D, LOW);
  digitalWrite(C, HIGH);
  digitalWrite(DP, LOW);
}
void otto(){
  digitalWrite(G, HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(E, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(DP, LOW);
}
void nove(){
  digitalWrite(G, HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(A,HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(E, LOW);
  digitalWrite(D, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(DP, LOW);
}

void loop(){
  uno();
  delay(500);
  due();
  delay(500);
  tre();
  delay(500);
}