constructor practice

pragma solidity ^0.8.0;

contract Member {
    string name;
    uint age;

    // Initialize name and age upon deployment
    constructor(string memory _name, uint _age) {
        name = _name;
        age = _age;
    }
}

contract Teacher is Member {
    // Inherit from Member and set default values ('Rachel', 28)
    constructor(string memory n, uint a) Member(n, a) {}

    function getAge() public view returns(uint) {
        return age;
    }
}

contract Base {
    uint data;

    constructor(uint _data) {
        data = _data;
    }

    function getData() public view returns(uint) {
        return data;
    }
}

contract Derived is Base {
    // Inherit from Base and set default value (5)
    constructor() Base(5) {}

    function getBaseData() public pure returns(uint) {
        return 5;
    }
}