code: def weld_standard_deviation(array, weld_type):
      
      weld_obj_var = weld_variance(array, weld_type)
  
      obj_id, weld_obj = create_weld_object(weld_obj_var)
      weld_obj_var_id = get_weld_obj_id(weld_obj, weld_obj_var)
  
      weld_template = _weld_std_code
  
      weld_obj.weld_code = weld_template.format(var=weld_obj_var_id)
  
      return weld_obj
docs: Returns the *sample* standard deviation of the array.
  
      Parameters
      ----------
      array : numpy.ndarray or WeldObject
          Input array.
      weld_type : WeldType
          Type of each element in the input array.
  
      Returns
      -------
      WeldObject
          Representation of this computation.