docs: def order_preserving_single_element_shift(arr, value, new_index):
      """Moves a list element to a new index while preserving order.
  
      Parameters
      ---------
      arr : list
          The list in which to shift an element.
      value : object
          The value of the element to shift.
      new_index : int
          The index to which to shift the element.
  
      Returns
      -------
      list
          The list with the element shifted.
  
      Example
      -------
      >>> arr = ['a', 'b', 'c', 'd']
      >>> order_preserving_single_element_shift(['a', 'b', 'c', 'd'], 'c', 0)
      ['c', 'a', 'b', 'd']
      """
      return order_preserving_single_index_shift(
          arr=arr, index=arr.index(value), new_index=new_index)