def most_frequent_char(text: str) -> str:
    # Escribe tu solución aquí
    frecuences = {}
    for vowel in text:
        if frecuences.get(vowel) is None:
            frecuences[vowel] = 1
        else:
            frecuences[vowel] +=1

    caracter = ''
    mayor = 0
    for key,value in frecuences.items():
        if value > mayor:
            mayor = value 
            caracter = key

    return caracter


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