如何在kivy python中使用用户输入在网格布局中添加标签和按钮

from kivy.app import App
from kivy.uix.gridlayout import GridLayout
from kivy.uix.label import Label
from kivy.uix.button import Button

class MyGridLayout(GridLayout):
    def __init__(self, **kwargs):
        super(MyGridLayout, self).__init__(**kwargs)
        self.cols = 2  # 设置网格布局的列数

class MyGridLayout(GridLayout):
    def __init__(self, **kwargs):
        super(MyGridLayout, self).__init__(**kwargs)
        self.cols = 2  # 设置网格布局的列数
        
        # 添加标签
        self.add_widget(Label(text='请输入标签文本：'))
        
        # 添加文本输入框
        self.text_input = TextInput(multiline=False)
        self.add_widget(self.text_input)
        
        # 添加按钮
        self.button = Button(text='添加', size_hint=(1, 0.5))
        self.button.bind(on_press=self.add_label_button)  # 绑定按钮点击事件
        self.add_widget(self.button)

class MyGridLayout(GridLayout):
    def __init__(self, **kwargs):
        super(MyGridLayout, self).__init__(**kwargs)
        self.cols = 2  # 设置网格布局的列数
        
        # 添加标签
        self.add_widget(Label(text='请输入标签文本：'))
        
        # 添加文本输入框
        self.text_input = TextInput(multiline=False)
        self.add_widget(self.text_input)
        
        # 添加按钮
        self.button = Button(text='添加', size_hint=(1, 0.5))
        self.button.bind(on_press=self.add_label_button)  # 绑定按钮点击事件
        self.add_widget(self.button)
    
    def add_label_button(self, instance):
        # 获取用户输入的文本
        label_text = self.text_input.text
        
        # 创建新的标签和按钮
        new_label = Label(text=label_text)
        new_button = Button(text='删除', size_hint=(1, 0.5))
        new_button.bind(on_press=self.remove_label_button)  # 绑定按钮点击事件
        
        # 将新的标签和按钮添加到网格布局中
        self.add_widget(new_label)
        self.add_widget(new_button)
        
        # 清空文本输入框
        self.text_input.text = ''
    
    def remove_label_button(self, instance):
        # 获取按钮所在的行索引
        row_index = self.children.index(instance) // 2
        
        # 根据行索引移除标签和按钮
        self.remove_widget(self.children[row_index * 2])
        self.remove_widget(self.children[row_index * 2])

class MyApp(App):
    def build(self):
        return MyGridLayout()

if __name__ == '__main__':
    MyApp().run()