code: def tril(
      x: Union[(None, mx.ndarray.NDArray)],
      /,
      *,
      k: int = 0,
      out: Optional[Union[(None, mx.ndarray.NDArray)]] = None,
  ) -> Union[(None, mx.ndarray.NDArray)]:
      raise IvyNotImplementedException()
  
imports: import mxnet
  import numpy
  from numbers import Number
  from typing import Union, List, Optional, Sequence, Tuple
  import ivy
  from ivy.utils.exceptions import IvyNotImplementedException
  from ivy.functional.ivy.creation import _asarray_to_native_arrays_and_back, _asarray_infer_device, _asarray_handle_nestable, NestedSequence, SupportsBufferProtocol, _asarray_inputs_to_native_shapes
label_desc: Use image node_id 14 for calling a global function with example usage: tril() without return types