使用wxpython如何让我在一个Textctrl面板中键入的单词在另一个面板中显示为加密，反之亦然

import wx
from cryptography.fernet import Fernet

# 生成密钥
key = Fernet.generate_key()
cipher_suite = Fernet(key)

class MyFrame(wx.Frame):
    def __init__(self):
        super().__init__(parent=None, title="Encrypt/Decrypt Text", size=(400, 300))
        self.panel = wx.Panel(self)
        
        self.input_text = wx.TextCtrl(self.panel, style=wx.TE_PROCESS_ENTER, size=(380, 100))
        self.output_text = wx.TextCtrl(self.panel, style=wx.TE_READONLY, size=(380, 100))
        
        self.encrypt_button = wx.Button(self.panel, label="Encrypt")
        self.decrypt_button = wx.Button(self.panel, label="Decrypt")
        
        self.encrypt_button.Bind(wx.EVT_BUTTON, self.on_encrypt)
        self.decrypt_button.Bind(wx.EVT_BUTTON, self.on_decrypt)
        
        sizer = wx.BoxSizer(wx.VERTICAL)
        sizer.Add(self.input_text, 0, wx.ALL | wx.CENTER, 5)
        sizer.Add(self.encrypt_button, 0, wx.ALL | wx.CENTER, 5)
        sizer.Add(self.output_text, 0, wx.ALL | wx.CENTER, 5)
        sizer.Add(self.decrypt_button, 0, wx.ALL | wx.CENTER, 5)
        
        self.panel.SetSizer(sizer)
    
    def on_encrypt(self, event):
        text = self.input_text.GetValue()
        if text:
            encrypted_text = cipher_suite.encrypt(text.encode())
            self.output_text.SetValue(encrypted_text.decode())
    
    def on_decrypt(self, event):
        text = self.output_text.GetValue()
        if text:
            decrypted_text = cipher_suite.decrypt(text.encode())
            self.input_text.SetValue(decrypted_text.decode())

if __name__ == "__main__":
    app = wx.App(False)
    frame = MyFrame()
    frame.Show()
    app.MainLoop()