let arr = ["c++", "javascript", "php", "python", "go"];
let shifted = arr.shift();
console.log(arr);
console.log(shifted);
shifted = arr.shift();
console.log(arr);
console.log(shifted);
/*
run:
["javascript", "php", "python", "go"]
"c++"
["php", "python", "go"]
"javascript"
*/