int Pin_Nos[7] ={2,3,4,5,6,7,8}; // define pin nos

bool zero[7] =  {1,1,1,1,1,1,0}; // {a,b,c,d,e,f,g}
bool one[] =    {0,1,1,0,0,0,0};
bool two[7] =   {1,1,0,1,1,0,1};
bool three[7] = {1,1,1,1,0,0,1};
bool four[7]=   {0,1,1,0,0,1,1};
bool five[7] =  {1,0,1,1,0,1,1};
bool six[7] =   {1,0,1,1,1,1,1};
bool seven[7] = {1,1,1,0,0,0,0};
bool eight[7] = {1,1,1,1,1,1,1};
bool nine[7]  = {1,1,1,1,0,1,1};


void setup() 

{




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

}



for(int i =0; i<7; i++)
{
  digitalWrite(Pin_Nos[i],zero[i]);

}

delay(1000);

for(int i =0; i<7; i++)
{
  digitalWrite(Pin_Nos[i],one[i]);

}
delay(1000);

for(int i =0; i<7; i++)
{
  digitalWrite(Pin_Nos[i],two[i]);

}
delay(1000);

for(int i =0; i<7; i++)
{
  digitalWrite(Pin_Nos[i],three[i]);

}

delay(1000);

for(int i =0; i<7; i++)
{
  digitalWrite(Pin_Nos[i],four[i]);

}
delay(1000);

for(int i =0; i<7; i++)
{
  digitalWrite(Pin_Nos[i],four[i]);

}
delay(1000);  

}

void loop() 

{
  // put your main code here, to run repeatedly:

}