int segmentA = 2;
int segmentB = 3;
int segmentC = 4;
int segmentD = 5;
int segmentE = 6;
int segmentF = 7;
int segmentG = 8;
int segmentDP=9;
int buttonPin = 10;
int buttonState;
int count;
int digit;


void setup() {
  Serial.begin(9600);
  pinMode(buttonPin, INPUT);
  pinMode(segmentA, OUTPUT);
  pinMode(segmentB, OUTPUT);
  pinMode(segmentC, OUTPUT);
  pinMode(segmentD, OUTPUT);
  pinMode(segmentE, OUTPUT);
  pinMode(segmentF, OUTPUT);
  pinMode(segmentG, OUTPUT);
  pinMode(segmentDP, OUTPUT);
  randomSeed(analogRead(0));
}

void loop() {
  buttonState = digitalRead(buttonPin);

//loading
if (buttonState == HIGH) {
//1 seconds
digitalWrite(segmentA, HIGH); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200);

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, HIGH);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, HIGH);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, HIGH);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, HIGH);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, HIGH);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

//2 seconds 
digitalWrite(segmentA, HIGH); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200);

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, HIGH);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, HIGH);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, HIGH);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, HIGH);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, HIGH);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

//3 seconds
digitalWrite(segmentA, HIGH); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200);

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, HIGH);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, HIGH);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, HIGH);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, HIGH);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, HIGH);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

//4 seconds
digitalWrite(segmentA, HIGH); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200);

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, HIGH);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, HIGH);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, HIGH);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, HIGH);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, HIGH);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

//5 seconds
digitalWrite(segmentA, HIGH); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200);

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, HIGH);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, HIGH);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, HIGH);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, HIGH);
digitalWrite(segmentF, LOW);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 

digitalWrite(segmentA, LOW); 
digitalWrite(segmentB, LOW);
digitalWrite(segmentC, LOW);
digitalWrite(segmentD, LOW);
digitalWrite(segmentE, LOW);
digitalWrite(segmentF, HIGH);
digitalWrite(segmentG, LOW);
digitalWrite(segmentDP, LOW);
delay(200); 
} 

 if (buttonState == HIGH) {
   for (int i = 0; i < 10; i++) {
      int randomdigit = random(10);
      digit = randomdigit;
      displayNumber(digit);
      delay(100); 
    }
    int randomdigit = random(10);
    digit = randomdigit;
    Serial.print("Random Number: ");
    Serial.println(digit);
    displayNumber(digit);
    delay(100); 
  }
}

void displayNumber(int num) {
  switch (num) {
    case 0:
      digitalWrite(segmentA, HIGH);
      digitalWrite(segmentB, HIGH);
      digitalWrite(segmentC, HIGH);
      digitalWrite(segmentD, HIGH);
      digitalWrite(segmentE, HIGH);
      digitalWrite(segmentF, HIGH);
      digitalWrite(segmentG, LOW);
      digitalWrite(segmentDP, HIGH);
      delay(200);
      break;
    case 1:
      digitalWrite(segmentA, LOW);
      digitalWrite(segmentB, HIGH);
      digitalWrite(segmentC, HIGH);
      digitalWrite(segmentD, LOW);
      digitalWrite(segmentE, LOW);
      digitalWrite(segmentF, LOW);
      digitalWrite(segmentG, LOW);
      digitalWrite(segmentDP, HIGH);
      break;
    case 2:
      digitalWrite(segmentA, HIGH);
      digitalWrite(segmentB, HIGH);
      digitalWrite(segmentC, LOW);
      digitalWrite(segmentD, HIGH);
      digitalWrite(segmentE, HIGH);
      digitalWrite(segmentF, LOW);
      digitalWrite(segmentG, HIGH);
      digitalWrite(segmentDP, HIGH);
      break;
    case 3:
      digitalWrite(segmentA, HIGH);
      digitalWrite(segmentB, HIGH);
      digitalWrite(segmentC, HIGH);
      digitalWrite(segmentD, HIGH);
      digitalWrite(segmentE, LOW);
      digitalWrite(segmentF, LOW);
      digitalWrite(segmentG, HIGH);
      digitalWrite(segmentDP, HIGH);
      break;
    case 4:
      digitalWrite(segmentA, LOW);
      digitalWrite(segmentB, HIGH);
      digitalWrite(segmentC, HIGH);
      digitalWrite(segmentD, LOW);
      digitalWrite(segmentE, LOW);
      digitalWrite(segmentF, HIGH);
      digitalWrite(segmentG, HIGH);
      digitalWrite(segmentDP, HIGH);
      break;
    case 5:
      digitalWrite(segmentA, HIGH);
      digitalWrite(segmentB, LOW);
      digitalWrite(segmentC, HIGH);
      digitalWrite(segmentD, HIGH);
      digitalWrite(segmentE, LOW);
      digitalWrite(segmentF, HIGH);
      digitalWrite(segmentG, HIGH);
      digitalWrite(segmentDP, HIGH);
      break;
    case 6:
      digitalWrite(segmentA, HIGH);
      digitalWrite(segmentB, LOW);
      digitalWrite(segmentC, HIGH);
      digitalWrite(segmentD, HIGH);
      digitalWrite(segmentE, HIGH);
      digitalWrite(segmentF, HIGH);
      digitalWrite(segmentG, HIGH);
      digitalWrite(segmentDP, HIGH);
      break;
    case 7:
      digitalWrite(segmentA, HIGH);
      digitalWrite(segmentB, HIGH);
      digitalWrite(segmentC, HIGH);
      digitalWrite(segmentD, LOW);
      digitalWrite(segmentE, LOW);
      digitalWrite(segmentF, LOW);
      digitalWrite(segmentG, LOW);
      digitalWrite(segmentDP, HIGH);
      break;
    case 8:
      digitalWrite(segmentA, HIGH);
      digitalWrite(segmentB, HIGH);
      digitalWrite(segmentC, HIGH);
      digitalWrite(segmentD, HIGH);
      digitalWrite(segmentE, HIGH);
      digitalWrite(segmentF, HIGH);
      digitalWrite(segmentG, HIGH);
      digitalWrite(segmentDP, HIGH);
      break;
    case 9:
      digitalWrite(segmentA, HIGH);
      digitalWrite(segmentB, HIGH);
      digitalWrite(segmentC, HIGH);
      digitalWrite(segmentD, HIGH);
      digitalWrite(segmentE, LOW);
      digitalWrite(segmentF, HIGH);
      digitalWrite(segmentG, HIGH);
      digitalWrite(segmentDP, HIGH);
      break;
  }
}