//shoppinglist.cpp

#include "SHOP_H.h"
#include<iostream>
using namespace std;


    void test(){
        cout<<"this is the test function";
    }

//main.cpp
#include<iostream>
#include "SHOP_H.h"
using namespace std;

int main(){
    // shopping_list mylist;
    test();
    cout<<"hello world";
    return 1;
}


//SHOP_H.h
#ifndef SHOP_H
#define SHOP_H

using namespace std;

    void test();
#endif