我是python新手,有些代码有问题。我明白了
TypeError: 'function' object has no attribute '__getitem__' at line 32
我不知道发生了什么事。从我在网上看到的情况来看,这意味着要使用函数作为列表,但我的代码无法理解这一点。我的代码是
#! /usr/local/bin/python
import random
def genFirstGen():
print "First Generation"
generation = []
for chromosomecounter in range(0, 20):
chromosome = []
fitness = 0
for genecounter in range(0, 10):
chromosome.append(random.randrange(0, 2))
for genecounter in range(0, 10):
if (chromosome[genecounter] == 1):
fitness += 1
chromosome.append(fitness)
generation.append(chromosome)
print gene
return generation
def FindMostFit(generation):
failedset = [0,0,0,0,0,0,0,0,0,0,0]
highestfitness = 0
mostfit = 0
fitparents = []
gene = []
for fitcounter in range(0, 10):
for chromosomecounter in range(0, 20):
chromosome = [generation[chromosomecounter]] # The error is here.
fitness = chromosome[10]
highestfitness = 0
if (fitness > highestfitness):
highestfitness = fitness
mostfit = chromosomecounter
fitparents.append(generation[mostfit])
generation[mostfit] = failedset
return fitparents
def BreedMostFit(Parents):
Mother = Parents(random.randrange(0, 10))
Father = Parents(random.randrange(0, 10))
child = []
for genecounter in range(0, 5):
parentgenetaken = random.randrange(0, 2)
if (parentgenetaken == 1):
child.append(Mother[genecounter * 2])
child.append(Mother[(genecounter * 2) + 1])
else:
child.append(Father[genecounter * 2])
child.append(Father[(genecounter * 2) + 1])
return child
def Generation2():
newgeneration = []
for gencounter in range(0, 20):
newgeneration.append(BreedMostFit(FindMostFit(genFirstGen)))
return newgeneration
def GenerationFunction(parentgen):
generation = []
for gencounter in range(0, 20):
generation.append(BreedMostFit(FindMostFit(parentgen)))
return generation
GenerationFunction(Generation2())
我已经没有办法了。有人能帮忙吗?谢谢!
在第62行,将
genFirstGen
函数传递到FindMostFit
稍后在第32行建立索引。我猜你想调用这个函数并传递它的结果。因此,将第62行替换为
传递给
FindMostFit
的是genFirstGen
函数本身,而不是名为genFirstGen()
的输出。这:
newgeneration.append(BreedMostFit(FindMostFit(genFirstGen)))
应该是这样的:
newgeneration.append(BreedMostFit(FindMostFit(genFirstGen())))
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