8 CL3

 import random

from deap import creator, base, tools, algorithms


creator.create("FitnessMax", base.Fitness, weights=(1.0,))

creator.create("Individual", list, fitness=creator.FitnessMax)


toolbox = base.Toolbox()


toolbox.register("attr_bool", random.randint, 0, 1)

toolbox.register("individual", tools.initRepeat, creator.Individual, toolbox.attr_bool, n=100)

toolbox.register("population", tools.initRepeat, list, toolbox.individual)


def evalOneMax(individual):

    return sum(individual),


toolbox.register("evaluate", evalOneMax)

toolbox.register("mate", tools.cxTwoPoint)

toolbox.register("mutate", tools.mutFlipBit, indpb=0.05)

toolbox.register("select", tools.selTournament, tournsize=3)


population = toolbox.population(n=300)


NGEN=40

for gen in range(NGEN):

    offspring = algorithms.varAnd(population, toolbox, cxpb=0.5, mutpb=0.1)

    fits = toolbox.map(toolbox.evaluate, offspring)

    for fit, ind in zip(fits, offspring):

        ind.fitness.values = fit

    population = toolbox.select(offspring, k=len(population))

top10 = tools.selBest(population, k=10)

print(len(top10[0]))

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