pragma solidity ^0.6.0;

contract HelloWorld {
    string public name = "Prapat";
    uint256 age = 28;
    
    
    function updateName(string memory _name) public {
        name = _name;
    }
    
    function addAge() public {
        age += 1;
    }
    
    function readAge() public view returns (uint256) {
        return age;
    }
    
}