scrum = function control_changes(){
        while (true){
            getChange(cusomter.requirements)
                .then(we.adapt);
        };
    }

    function make_software_you_want(){
        we_know =  'No good software if we dont understand each others'
        we_encourage =  'Communicate to know exactly your need'
        return (we_know+we_encourage)
    }