linux系统中怎样创建文本编辑器

import tkinter as tk
from tkinter import filedialog, messagebox

class SimpleTextEditor:
    def __init__(self, root):
        self.root = root
        self.root.title("Simple Text Editor")
        
        # 创建文本框
        self.text_widget = tk.Text(root)
        self.text_widget.pack(expand=1, fill='both')
        
        # 创建菜单栏
        self.menu_bar = tk.Menu(root)
        self.file_menu = tk.Menu(self.menu_bar, tearoff=0)
        self.file_menu.add_command(label="Open", command=self.open_file)
        self.file_menu.add_command(label="Save", command=self.save_file)
        self.file_menu.add_separator()
        self.file_menu.add_command(label="Exit", command=root.quit)
        self.menu_bar.add_cascade(label="File", menu=self.file_menu)
        root.config(menu=self.menu_bar)
    
    def open_file(self):
        file_path = filedialog.askopenfilename(filetypes=[("Text files", "*.txt"), ("All files", "*.*")])
        if file_path:
            with open(file_path, 'r') as file:
                content = file.read()
                self.text_widget.delete('1.0', 'end')
                self.text_widget.insert('end', content)
    
    def save_file(self):
        file_path = filedialog.asksaveasfilename(defaultextension=".txt", filetypes=[("Text files", "*.txt"), ("All files", "*.*")])
        if file_path:
            with open(file_path, 'w') as file:
                content = self.text_widget.get('1.0', 'end')
                file.write(content)

if __name__ == "__main__":
    root = tk.Tk()
    editor = SimpleTextEditor(root)
    root.mainloop()