text: #include<iostream>
  using namespace std;
  int main(){
      // int i = 1; //intialize with 1
      // int j = 1; //initialize with 1
      // ++i; //pre increment of i
      // j++; //post increment of j
      // cout<<i<<endl; //2
      // cout<<j<<endl; //2
  
      // int i = 1;
      // cout<<i++<<endl; //first prints the value of i and then increment it
      // //so here we get the value of i is 1
      // //but now the current value of i is 2
      // //because it is now post incremented
      // cout<<i<<endl; //here we get 2
  
      // int i = 1;
      // cout<<++i<<endl; //first increments the value of i and then prints the value of it
      // //so we get the incremented value first
  
  
  
  
  }