code: def nchw_rand(self, shape, device=None, requires_grad=False):
      return self.rand(
          shape, device=device, requires_grad=requires_grad
      )
  
imports: import torch
label_desc: Use image node_id 3 for calling the TorchTensorEngine obj's underlying member method code with example usage: obj.nchw_rand(shape, device, requires_grad) and returns: self