code: def __init__(self, kernel_shape, num_filters):
      self.kernel_shape = kernel_shape
      self.num_filters = num_filters
  
imports: from __future__ import absolute_import
  from __future__ import print_function
  from builtins import range
  import autograd.numpy
  import autograd.numpy.random
  import autograd.scipy.signal
  from autograd import grad
  import data_mnist
label_desc: Use image node_id 1 to create a new conv_layer object from inherited base classes: object with example: obj = conv_layer(kernel_shape, num_filters)