def producer(data):
    # Emite cada elemento de data
    for item in data:
        yield item


def transformer(source):
    # Consume source y emite cada valor multiplicado por 2
    for value in source:
        yield value*2


def run_pipeline(data: list) -> int | float:
    # Conecta producer → transformer y retorna la suma
    result = producer(data)
    pipeline = transformer(result)
    total = 0

    for value in pipeline:
        total += value


    return total