export function mostUsedChar(text) {
    // implementar logica aqui
    let freqCounter = {}
    let lcText = text.toLowerCase()

    for (let char of lcText) {
        freqCounter[char] = freqCounter[char] + 1 || 1;
    }

    let maxCount = 0;
    let mostUsedChar = null;
    for(let key in freqCounter) {
        if(freqCounter[key] > maxCount) {
            maxCount = freqCounter[key]
            mostUsedChar = key
        }
    }
    return mostUsedChar
}