感知机在python3环境下无法运行 about learn_dl

[endrol]

python3 不支持lambda输入tuple

[xinghalo]

修改三个地方：
1 lambda (x,w):x*w 替换成 lambda x : x[0]*x[1]
2 reduce 增加引用 from functools import reduce
3 梯度更新map返回的不是list，修改成：self.weights = [w + rate * delta * x for (x, w) in zip(input_vec, self.weights)]

[hanbt]

fixed