Private Access

#include <iostream>
using namespace std;

class Sensor {
private:
   // your code here: declare private int value
   int b ;
public:
   // your code here: implement setValue and getValue
   int setValue(int a){
      b = a;
      return 0;
   }
   int getValue(){
      return b;
   }
};

int main() {
   Sensor s;
   s.setValue(75);
   cout << "Sensor value: " << s.getValue();
   return 0;
}