Created using remix-ide: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://remix.ethereum.org/#version=soljson-v0.8.19+commit.7dd6d404.js&optimize=false&runs=200&gist=

luckynumber.sol

pragma solidity ^0.8.19;

contract LuckyNumberMachine {
    address owner;
    uint256 contractBalance;

    constructor() {
        owner = msg.sender;
    }

    function generateRandomNumber() public view returns (uint) {
        uint randomNumber = block.prevrandao; //implemented in vm >= 0.8.18
        randomNumber = randomNumber % 6 + 1;
        return randomNumber;
    }

    function playGame(uint256 chosenNumber) public payable {
        require(msg.value == 0.1 ether, "Please send exactly 0.1 ether to play the game.");
        require(chosenNumber >= 1 && chosenNumber <= 6, "Please choose a number between 1 and 6.");
        require(contractBalance >= 0.2 ether, "Not enough balance to play game.");

        uint randomNumber = generateRandomNumber();
        if (chosenNumber == randomNumber) {
            payable(msg.sender).transfer(0.2 ether);
            contractBalance -= msg.value;
        } else {
            contractBalance += msg.value;
        }
    }

    function getContractBalance() public view returns (uint256) {
        require(msg.sender == owner, "Only the contract owner can view the balance.");
        return contractBalance;
    }

    function deposit() public payable {
        require(msg.sender == owner, "Only the contract owner can deposit ether.");
        contractBalance += msg.value;
    }

    function withdraw(uint256 amount) public {
        require(msg.sender == owner, "Only the contract owner can withdraw ether.");
        require(amount <= contractBalance, "Withdraw amount exceeds contract balance.");
        payable(owner).transfer(amount);
        contractBalance -= amount;
    }
}