function randomChar(char){
                    let lengthc=char.length;
                    let rchari=Math.floor(Math.random()*lengthc);
                    let rchar=char[rchari];
                    return rchar;
                }

                function randomNum(nums){
                    let lengthn=nums.length;
                    let rnumi=Math.floor(Math.random()*lengthn);
                    let rnum=nums[rnumi];
                    return rnum;
                }

                function random