docstr: ivy.Array instance method variant of ivy.lexsort. This method simply
  wraps the function, and so the docstring for ivy.lexsort also applies
  to this method with minimal changes.
  
  Parameters
  ----------
  self
      input array.
  axis
      axis of each key to be indirectly sorted.
      By default, sort over the last axis of each key.
  out
      optional output array, for writing the result to.
  
  Returns
  -------
  ret
      array of integer indices with shape N, that sort the input array as keys.
  
  Examples
  --------
  >>> a = [1,5,1,4,3,4,4] # First column
  >>> b = [9,4,0,4,0,2,1] # Second column
  >>> keys = ivy.asarray([b,a])
  >>> keys.lexsort() # Sort by a, then by b
  array([2, 0, 4, 6, 5, 3, 1])
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code: def lexsort(
      self: ivy.Array,
      /,
      *,
      axis: int = -1,
      out: Optional[ivy.Array] = None,
  ) -> ivy.Array:
      """ivy.Array instance method variant of ivy.lexsort. This method simply
      wraps the function, and so the docstring for ivy.lexsort also applies
      to this method with minimal changes.
  
      Parameters
      ----------
      self
          input array.
      axis
          axis of each key to be indirectly sorted.
          By default, sort over the last axis of each key.
      out
          optional output array, for writing the result to.
  
      Returns
      -------
      ret
          array of integer indices with shape N, that sort the input array as keys.
  
      Examples
      --------
      >>> a = [1,5,1,4,3,4,4] # First column
      >>> b = [9,4,0,4,0,2,1] # Second column
      >>> keys = ivy.asarray([b,a])
      >>> keys.lexsort() # Sort by a, then by b
      array([2, 0, 4, 6, 5, 3, 1])
      """
      return ivy.lexsort(self._data, axis=axis, out=out)
  
imports: import abc
  from typing import Optional
  import ivy
label_desc: Use image node_id 1 for calling the _ArrayWithSortingExperimental obj's underlying member method code with example usage: obj.lexsort() and returns: ivy