The score is not updating. Please help me make the score update.
When I click the button with the function for 'addScore', the displayed score will not change to a new one.

I have tried a lot of things. Non of which have worked

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```js
var score = 0;

function addScore(){ score ++ }

function drawScore() { 
 var c = document.getElementById("myCanvas");
 var ctx = c.getContext("2d");
 ctx.font = "16px Arial";
 ctx.fillStyle = "red";
 ctx.fillText("Score: " +score, 8, 20);
}

drawScore();

```

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I am expecting it to update the score, but it does not. It remains at 0.

The problem has been solved bu the text keeps increasing and over laps it.