EtherWallet - Accepts ethers and only owner can withdraw

EtherWallet.sol

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.10;


/***
* @title EtherWallet
* @author Koleen Baes Paunon
* @dev This contract accepts ether like a bank and users can withdraw thier ethers
*/
contract EtherWallet {
    address payable public owner;

    constructor() {
        owner = payable(msg.sender);
    }

    receive() external payable {}

    function withdraw(uint _amount) external {
        require(msg.sender == owner, "caller is not owner");
        payable(msg.sender).transfer(_amount);
    }

    function getBalance() external view returns (uint) {
        return address(this).balance;
    }
}