code: def randn(self, shape, device=None, dtype=None, requires_grad=False):
      return torch.randn(
          shape, device=device, dtype=dtype, requires_grad=requires_grad
      )
  
imports: import torch
label_desc: Use image node_id 2 for calling the TorchTensorEngine obj's underlying member method code with example usage: obj.randn(shape, device, dtype, requires_grad) and returns: torch