I can't save to localstorage first input with save button. Trying to save multiple inputs to localStorage

I am new at this and I'm trying to save multiple inputs to localStorage with one save button. Its saved second one but not the first one and I can't quite get it to work. Can you please tell me what is the reason? Why doesn't it save the first one?

My inputs and save button:

<body onload="init()">
    <input type="text" id="myTxt1" placeholder="Type here ..." ></br></br></br>
    <input type="text" id="myTxt2" placeholder="Type here ..."></br></br>
    <button onclick="onSavePressed()">Save</button>
</body>

My script:

function init(){
    if (localStorage.first1Box){
        document.getElementById("myTxt1").value = localStorage.first1Box;
        }
    }
function onSavePressed(){
        localStorage.first1Box = document.getElementById("myTxt1").value;
        alert("Saved Successfully!!!");
        }
function init(){
    if (localStorage.second2Box){
        document.getElementById("myTxt2").value = localStorage.second2Box;
        }
    }
    function onSavePressed(){
        localStorage.second2Box = document.getElementById("myTxt2").value;
        alert("Saved Successfully!!!");
        }

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