1## 2.3.1 Bag 2import random 3 4from deap import base 5from deap import creator 6from deap import tools 7 8creator.create("FitnessMin", base.Fitness, weights=(-1.0,)) 9creator.create("Individual", list, fitness=creator.FitnessMin) 10 11IND_SIZE = 20 12 13toolbox = base.Toolbox() 14toolbox.register("attr_int", random.randint, -20, 20) 15toolbox.register("individual", tools.initRepeat, creator.Individual, 16 toolbox.attr_int, n=IND_SIZE) 17toolbox.register("population", tools.initRepeat, list, toolbox.individual) 18 19toolbox.population(n=100) 20