Write a C++ program to create a new string without the first and last character of a given string of any length

#include <iostream>

using namespace std;

string  test(string s1)
         {
             return s1.length() < 2 ? " " : s1.substr(1, s1.length() - 2);
         }
         
int main() 
 {
  cout << test("Hello") << endl;  
  cout << test("JS") << endl; 
  return 0;    
}