def run_length_encoding(text: str) -> str:
    # Escribe tu solución aquí
    if not text:
        return ""
    current_caracter = text[0]
    encoded = ''
    count = 0
    
    for char in text:
        if char == current_caracter:
            count += 1
        else:
            encoded += str(count) + current_caracter
            current_caracter = char
            count = 1
    encoded += str(count) + current_caracter

    return encoded