作业1的提示

框架

import numpy as np

def loss(y_pred,y_true):#y_pred shape->vector

   pass

def df(x):

   pass

def random_init(shape):

   pass

def loas_dataset(path):

   pass

def forword(fun,x):

   pass

def train():

   ###12345
   pass

def main():

   train()
   pass