on clicking the ADD button it does not append the given string in the unordered list tag
```
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
*{
font-family: "Arial",cursive;
}
</style>
</head>
<body>
<label>
<input id="todo">
</label>
<button id="btn">ADD</button>
<ul id=list">
<li>Task 1</li>
</ul>
<script>
let Todo_box=document.getElementById("todo")
let todo_list=document.getElementById("list")
let button=document.getElementById("btn")
button.onclick=function() {
let task = Todo_box.value
let new_element = document.createElement("li")
new_element.innerText=task;
todo_list.appendChild(new_element)
}
</script>
</body>
</html>
```