风中尘埃的博客

这篇博文是我记录学习pytorch的一些代码例子，我会时不时来看这些代码加深学习例子来自https://pytorch.org/tutorials/beginner/pytorch_with_examples.htmlimport torchimport mathdtype = torch.floatdevice = torch.device("cpu")x = torch.linspace(-math.pi, math.pi, 2000, dt

def parse(self, response): groups = response.xpath('//*[@id="index"]/div[4]/div/div[1]/article') for group in groups: item = GeekParkItem() item['title'] = group.xpath('div[1]...