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Editorial Team
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Asked: 2026-05-12T18:42:22+00:00

I have a dictionary (keys are integers, values are float). I would now ask

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I have a dictionary (keys are integers, values are float). I would now ask the dictionary for the value of the key that is > than the given number but < than the next greater key.

Example:

dict = {100: 0.0035, 150: 0.0024, 200: 0.0019}.

i give 122, it should give me 0.0035

i give 333, it should give me 0.0019

i give 200, it should give me 0.0024

Thanks!

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1 Answer

  1. Editorial Team

    Working example (tested under Firefox 3.6):

    <html>
<head>
<script type="text/javascript" src="jquery-1.3.2.min.js"></script>
<script type="text/javascript">
var dict = {100: 0.0035, 150: 0.0024, 200: 0.0019};

function r(aNum) {
    var result;

    for (var key in dict) {
        var dist = key - aNum

        if ((dist < 0 && dist < result) || result === undefined) {
            result = key;
        }
    }

    return dict[result];
}

$(document).ready(function() {
    $('li').each(function() {
        var id = $(this).attr('id').replace('n', '')
        $(this).html(id + ": " + r(id));
    });
});
</script>
</head>
<body>
    <ul>
        <li id="n122"></li>
        <li id="n333"></li>
        <li id="n200"></li>
    </ul>
</body>
</html>
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