Need help here. I stuck here

Tell us what’s happening:
Describe your issue in detail here.

  **Your code so far**

function nextInLine(arr, item) {
// Only change code below this line
function nextInLine(arr, item) {
   arr.push(item);
   return arr.shift();
}

// Only change code above this line


}

// Setup
var testArr = [1,2,3,4,5];

// Display code
console.log("Before: " + JSON.stringify(testArr));
console.log(nextInLine(testArr, 6));
console.log("After: " + JSON.stringify(testArr));
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36

Challenge: Stand in Line

Link to the challenge:

You’ve put a function inside the function

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