code: def setPermanence(self, columnIndex, permanence):
      
      assert(columnIndex < self._numColumns)
      self._updatePermanencesForColumn(permanence, columnIndex, raisePerm=False)
docs: Sets the permanence values for a given column. ``permanence`` size must 
      match the number of inputs.
      
      :param columnIndex: (int) column index to set permanence for.
      :param permanence: (list) value to set.