code: def standard_normal(size=None, dtype=float):
      """Returns an array of samples drawn from the standard normal distribution.
  
      This is a variant of :func:`cupy.random.randn`.
  
      Args:
          size (int or tuple of ints): The shape of the array. If ``None``, a
              zero-dimensional array is generated.
          dtype: Data type specifier.
  
      Returns:
          cupy.ndarray: Samples drawn from the standard normal distribution.
  
      .. seealso:: :func:`numpy.random.standard_normal`
  
      """
      rs = _generator.get_random_state()
      return rs.standard_normal(size, dtype)
  
imports: from cupy.random import _generator
  from cupy import _util
label_desc: Use image node_id 27 for calling a global function with example usage: standard_normal(size, dtype) and returns: rs