#include <iostream>
#include <string>
 
using namespace std;
 
class Shoppinglist{
	private:
		string Items[100];
		int Itemcount;
 
	public:
	Shoppinglist():Itemcount(0){}
 
	void additem(string item){
		if (Itemcount<100){
			Items[Itemcount]= item;
			Itemcount++;
			cout<<item <<"added to the shopping List. \n";
		}
		else{
			cout<< "Shopping List is full.Can not Add more items. \n";
		}
	}	
	void removeItem(int index){
		if(index-1<Itemcount){
			Itemcount--;
			cout<<Items[index-1]<<"remove from Shopping List.\n";
		}
		else{
			cout<<index<<"index not found in the Shopping List.\n";	
		}
		for (int j=index-1;j<=Itemcount;j++){
			Items[j]=Items[j+1];
		}
	}	
	void viewlist(){
		if (Itemcount==0){
			cout<<"Shopping List is empty.\n";
		}
		else{
			cout<<"Items in the Shopping List:\n";
			for(int i=0;i<Itemcount;i++){
				cout<<i+1<<"."<< Items[i]<< "\n";
			}			
			cout<<"\n";
		}
		void clearlist()
		{
			Itemcount =0;
			cout<< "Shopping List cleared.\n";
		}
	}
};
 
main(){
	Shoppinglist shoppinglist;
	int choice, index;
	string item;
	cout<<" Welcome To The Shopping List Manager\n";
	do{
		cout << "1. Add Item\n";
		cout << "2. Remove Item\n";
		cout << "3. View List\n";
		cout << "4. clear List\n";
		cout << "5. Exit\n";
		cout << "Enter Your Choice";
		cin>> choice;
		Switch(choice)
		{
			case 1:
				cout << "Enter itemd to add:";
				cin>>item;
				shoppinglist.additem(item);
				break;
			case 2:
				cout << "Enter item index to remove:";
				cin>> index;
				shoppinglist.removeItem(index);
				break;
			case 3:
				shoppinglist.viewlist();
				break;
			case 4:
				shoppinglist.cleatlist();
				break;
			case 5:
				cout << "Exiting program. Goodye!\n";
				break;
			default:
				cout <<"Invalid choice.Please Try Again.\n";
		}
	}while(choice !=5);
}

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