NYU-DEMO-NFT.sol

//SPDX-License-Identifier: MIT
pragma solidity 0.8.14;
import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

contract DemoNFT is Ownable, ERC721 {
    constructor() ERC721("Demo Day", "DD") {}

    uint256 public index;


    function mintNFT() public {
        _safeMint(msg.sender, index);
        index++;
    }
}