How to use the readchar.key.RIGHT function in readchar

def test_cursor_movement(self):
        stdin_array = [
            'a',
            key.UP,
            'b',
            key.DOWN,
            'c',
            key.LEFT,
            'd',
            key.RIGHT,
            'e',
            key.ENTER,
            ]
        stdin = helper.event_factory(*stdin_array)
        message = 'Foo message'
        variable = 'Bar variable'

        question = questions.Text(variable, message)

        sut = ConsoleRender(event_generator=stdin)
        result = sut.render(question)

        self.assertEqual('abdce', result)

def test_right_cursor_do_not_unselect(self):
        stdin_array = [key.RIGHT, key.RIGHT, key.ENTER]
        stdin = helper.event_factory(*stdin_array)
        message = 'Foo message'
        variable = 'Bar variable'
        choices = ['foo', 'bar', 'bazz']

        question = questions.Checkbox(variable, message, choices=choices)

        sut = ConsoleRender(event_generator=stdin)
        result = sut.render(question)

        self.assertEqual(['foo'], result)

def test_cursor_movement(self):
        stdin_array = [
            'a',
            key.UP,
            'b',
            key.DOWN,
            'c',
            key.LEFT,
            'd',
            key.RIGHT,
            'e',
            key.ENTER,
            ]
        stdin = helper.event_factory(*stdin_array)
        message = 'Foo message'
        variable = 'Bar variable'

        question = questions.Password(variable, message)

        sut = ConsoleRender(event_generator=stdin)
        result = sut.render(question)

        self.assertEqual('abdce', result)

def test_select_with_arrows(self):
        self.sut.send(key.DOWN)
        self.sut.send(key.DOWN)
        self.sut.send(key.RIGHT)
        self.sut.send(key.ENTER)
        self.sut.expect(
            "{'interests': \['Computers', 'Books', 'Science'\]}.*",  # noqa
            timeout=1
        )

if pressed == key.UP:
            self.current = max(0, self.current - 1)
            return
        elif pressed == key.DOWN:
            self.current = min(len(self.question.choices) - 1,
                               self.current + 1)
            return
        elif pressed == key.SPACE:
            if self.current in self.selection:
                self.selection.remove(self.current)
            else:
                self.selection.append(self.current)
        elif pressed == key.LEFT:
            if self.current in self.selection:
                self.selection.remove(self.current)
        elif pressed == key.RIGHT:
            if self.current not in self.selection:
                self.selection.append(self.current)
        elif pressed == key.ENTER:
            result = []
            for x in self.selection:
                value = self.question.choices[x]
                result.append(getattr(value, 'value', value))
            raise errors.EndOfInput(result)
        elif pressed == key.CTRL_C:
            raise KeyboardInterrupt()

raise KeyboardInterrupt()

        if pressed in (key.CR, key.LF, key.ENTER):
            raise errors.EndOfInput(self.current)

        if pressed == key.BACKSPACE:
            if self.current and self.cursor_offset != len(self.current):
                if self.cursor_offset > 0:
                    self.current = (self.current[:-self.cursor_offset - 1] +
                                    self.current[-self.cursor_offset:])
                else:
                    self.current = self.current[:-1]
        elif pressed == key.LEFT:
            if self.cursor_offset < len(self.current):
                self.cursor_offset += 1
        elif pressed == key.RIGHT:
            self.cursor_offset = max(self.cursor_offset - 1, 0)
        elif len(pressed) != 1:
            return
        else:
            if self.cursor_offset == 0:
                self.current += pressed
            else:
                self.current = ''.join((
                    self.current[:-self.cursor_offset],
                    pressed,
                    self.current[-self.cursor_offset:]
                ))