Given a ListItem class, complete main() using the built-in list type to create a linked list called shoppingList. The program should read items from input (ending with -1), adding each item to shoppingList, and output each item in shoppingList using the PrintNodeData() function. EX INPUT milk bread eggs waffles cereal -1 Ex OUTPUT milk bread eggs waffles cereal   main.cpp #include "ListItem.h" #include #include #include using namespace std; int main (int argc, char* argv[]) { // TODO: Declare a list called shoppingList of type ListItem string item; // TODO: Read inputs (items) and add them to the shoppingList list // Read inputs until a -1 is input // TODO: Print the shoppingList list using the PrintNodeData() function return 0; }   ListItem.h (marked as read only) #ifndef LISTITEMH #define LISTITEMH #include using namespace std; class ListItem { public: ListItem(); ListItem(string itemInit); // Print this node void PrintNodeData(); private: string item; }; #endif   ListItem.cpp (read only) #include "ListItem.h" #include ListItem::ListItem() { item = ""; } ListItem::ListItem(string itemInit) { item = itemInit; } // Print this node void ListItem::PrintNodeData() { cout << item << endl; }

This is in C++.

Given a ListItem class, complete main() using the built-in list type to create a linked list called shoppingList. The program should read items from input (ending with -1), adding each item to shoppingList, and output each item in shoppingList using the PrintNodeData() function.

EX INPUT

milk

bread

eggs

waffles

cereal

-1

Ex OUTPUT

milk

bread

eggs

waffles

cereal

main.cpp

#include "ListItem.h"
#include <string>
#include <list>
#include <iostream>

using namespace std;

int main (int argc, char* argv[]) {
// TODO: Declare a list called shoppingList of type ListItem

string item;

// TODO: Read inputs (items) and add them to the shoppingList list
// Read inputs until a -1 is input

// TODO: Print the shoppingList list using the PrintNodeData() function

return 0;
}

ListItem.h (marked as read only)

#ifndef LISTITEMH
#define LISTITEMH

#include <string>

using namespace std;

class ListItem {
public:
ListItem();

ListItem(string itemInit);

// Print this node
void PrintNodeData();

private:
string item;
};

#endif

ListItem.cpp (read only)

#include "ListItem.h"
#include <iostream>

ListItem::ListItem() {
item = "";
}

ListItem::ListItem(string itemInit) {
item = itemInit;
}

// Print this node
void ListItem::PrintNodeData() {
cout << item << endl;
}

Thank you