text: import deepscoop.nn as nn
  import deepscoop.autograd as ag
  import deepscoop.autograd.utils as utils
  
  from deepscoop.autograd import Tensor
  
  def f(x):
  	return x ** 2
  
  x = Tensor([1, 2, 3])
  y = f(x)
  
  accurate = utils.grad_check(f, x)
  