(function objects (param) {
param = {
    weight: 80,
    experience: 1,
    bloodAlcoholLevel: 0,
    handshaking: true }
    if (param.handshaking == true) {param.handshaking = false

        param.bloodAlcoholLevel += 0.1 * param.weight * param.experience
        let param2 = {weight: param.weight, experience: param.experience, bloodAlcoholLevel: param.bloodAlcoholLevel, handshaking: param.handshaking}
        console.log(param2)
    }
})()