Notepad.py

import tkinter as tk
from tkinter import filedialog

def open_file():
    file_path = filedialog.askopenfilename(filetypes=[("Text Files", "*.txt")])
    if file_path:
        with open(file_path, "r") as file:
            text.delete(1.0, "end")
            text.insert("1.0", file.read())

def save_file():
    file_path = filedialog.asksaveasfilename(filetypes=[("Text Files", "*.txt")])
    if file_path:
        with open(file_path, "w") as file:
            file.write(text.get("1.0", "end"))

# Create the main window
root = tk.Tk()
root.title("Python Notepad")

# Create a text widget
text = tk.Text(root, wrap=tk.WORD)
text.pack()

# Create a menu
menu = tk.Menu(root)
root.config(menu=menu)

file_menu = tk.Menu(menu)
menu.add_cascade(label="File", menu=file_menu)
file_menu.add_command(label="Open", command=open_file)
file_menu.add_command(label="Save", command=save_file)
file_menu.add_separator()
file_menu.add_command(label="Exit", command=root.quit)

# Run the application
root.mainloop()