code: def blackman_window(
      window_length,
      periodic=True,
      *,
      dtype=None,
      layout=None,
      device=None,
      requires_grad=False,
  ):
      return ivy.blackman_window(
          window_length, periodic=periodic, dtype=dtype
      )
  
imports: import ivy
  from ivy.func_wrapper import with_supported_dtypes, with_unsupported_dtypes
  from ivy.functional.frontends.torch.func_wrapper import to_ivy_arrays_and_back
label_desc: Use image node_id 2 for calling a global function with example usage: blackman_window(window_length, periodic) and returns: ivy