code: def std(
      x: Union[(None, mx.ndarray.NDArray)],
      /,
      *,
      axis: Optional[Union[(int, Sequence[int])]] = None,
      correction: Union[(int, float)] = 0.0,
      keepdims: bool = False,
      out: Optional[Union[(None, mx.ndarray.NDArray)]] = None,
  ) -> Union[(None, mx.ndarray.NDArray)]:
      raise IvyNotImplementedException()
  
file_path: ivy/ivy/functional/backends/mxnet/statistical.py
imports: from typing import Union, Optional, Sequence
  import mxnet
  from numbers import Number
  from ivy.utils.exceptions import IvyNotImplementedException
  import ivy
label_desc: Use image node_id 5 for calling a global function with example usage: std() without return types