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contracts...MyContract.sol

pragma solidity >=0.7.0 <0.9.0;

contract MyContract {
    
    uint256 public peopleCount;
    // Person[] public people;
    
    mapping(uint => Person) public people;
    
    struct Person {
        uint _id;
        string _firstName;
        string _lastName;
    }
    
    function addPerson(string memory _firstName, string memory _lastName) public {
        peopleCount += 1;
        people[peopleCount] = Person(peopleCount, _firstName, _lastName);
    }
    
    // function addPerson(string memory _firstName, string memory _lastName) public {
    //     people.push(Person(_firstName, _lastName));
    //     peopleCount += 1;
    // }
    
    // enum State { Waiting, Ready, Active }
    // State public state;
    
    // constructor() {
    //     state = State.Waiting;
    // }
    
    // function activate() public {
    //     state = State.Active;
    // }
    
    // function isActive() public view returns(bool) {
    //     return state == State.Active;
    // }
    
    
    
    // string value; // this is stored on blockchain
    
    // constructor() {
    //     value = "My Value";
    // }
    
    // function get() public view returns(string memory) {
    //     return value;
    // }
    
    // function set(string memory _value) public {
    //     value = _value;
    // }
}