wxpython排序多个listctrl

import wx

class MyFrame(wx.Frame):
    def __init__(self):
        wx.Frame.__init__(self, None, title="Sorting ListCtrls")
        
        # 创建ListCtrl控件
        self.list_ctrl1 = wx.ListCtrl(self, style=wx.LC_REPORT)
        self.list_ctrl2 = wx.ListCtrl(self, style=wx.LC_REPORT)
        
        # 添加列
        self.list_ctrl1.InsertColumn(0, "Name")
        self.list_ctrl2.InsertColumn(0, "Age")
        
        # 加载数据
        self.load_data()
        
        # 绑定排序事件
        self.list_ctrl1.Bind(wx.EVT_LIST_COL_CLICK, self.on_sort)
        self.list_ctrl2.Bind(wx.EVT_LIST_COL_CLICK, self.on_sort)
        
        # 创建布局
        sizer = wx.BoxSizer(wx.VERTICAL)
        sizer.Add(self.list_ctrl1, 1, wx.EXPAND)
        sizer.Add(self.list_ctrl2, 1, wx.EXPAND)
        self.SetSizer(sizer)
        
    def load_data(self):
        # 加载数据到ListCtrl控件
        data1 = [("John", "25"), ("Alice", "30"), ("Bob", "20")]
        data2 = [("25", "John"), ("30", "Alice"), ("20", "Bob")]
        
        for item in data1:
            index = self.list_ctrl1.InsertItem(wx.ListItem())
            self.list_ctrl1.SetItem(index, 0, item[0])
            self.list_ctrl1.SetItem(index, 1, item[1])
        
        for item in data2:
            index = self.list_ctrl2.InsertItem(wx.ListItem())
            self.list_ctrl2.SetItem(index, 0, item[0])
            self.list_ctrl2.SetItem(index, 1, item[1])
    
    def on_sort(self, event):
        # 排序事件处理函数
        column = event.GetColumn()
        list_ctrl = event.GetEventObject()
        
        # 获取排序规则
        def sort_func(item1, item2):
            if item1[column] < item2[column]:
                return -1
            elif item1[column] > item2[column]:
                return 1
            else:
                return 0
        
        # 获取数据
        data = []
        for i in range(list_ctrl.GetItemCount()):
            row = []
            for j in range(list_ctrl.GetColumnCount()):
                row.append(list_ctrl.GetItemText(i, j))
            data.append(row)
        
        # 排序数据
        data.sort(key=lambda x: sort_func(x, x))
        
        # 更新ListCtrl控件
        list_ctrl.DeleteAllItems()
        for item in data:
            index = list_ctrl.InsertItem(wx.ListItem())
            for i, value in enumerate(item):
                list_ctrl.SetItem(index, i, value)

app = wx.App()
frame = MyFrame()
frame.Show()
app.MainLoop()