def set_atomic_number(self, number): Atom.set(self, 'number', number) self._mark()
def set_position(self, position): Atom.set(self, 'position', position) self._mark()
def set_atomic_number(self, number): Atom.set(self, 'number', number) self._mark()
def set_position(self, position): Atom.set(self, 'position', position) self._mark()