// SPDX-License-Identifier: MIT
// http://www.netkiller.cn/blockchain/
pragma solidity ^0.8.15;

contract HelloWorld
{
    string private tmp;

    constructor() {

    }

    function set(string memory _tmp) public 
    {
        tmp = _tmp;
    }

    function get() public view returns (string memory)
    {
        return tmp;
    }

}