def METHOD_NAME(population, mu, tournament_n):
    """Returns the n_of_parents individuals with the best fitness"""
    parents = []
    for _ in xrange(mu):
        winner = _choice(population)
        for _ in xrange(tournament_n - 1):
            individual = _choice(population)
            # Save winner is element with smallest fitness
            if individual.ibea_fitness < winner.ibea_fitness:
                winner = individual
        parents.append(winner)
    return parents