TO-DO LIST

import tkinter as tk
from tkinter import messagebox

class ToDoListApp:
    def __init__(self, master):
        self.master = master
        self.master.title("To-Do List App")

        self.tasks = []
        self.task_var = tk.StringVar()

        # Entry for adding tasks
        self.task_entry = tk.Entry(master, textvariable=self.task_var, width=30)
        self.task_entry.grid(row=0, column=0, padx=10, pady=10)

        # Buttons for actions
        self.add_button = tk.Button(master, text="Add Task", command=self.add_task)
        self.add_button.grid(row=0, column=1, padx=5)

        self.remove_button = tk.Button(master, text="Remove Task", command=self.remove_task)
        self.remove_button.grid(row=1, column=1, pady=5)

        # Listbox for displaying tasks
        self.task_listbox = tk.Listbox(master, selectmode=tk.SINGLE, width=40, height=10)
        self.task_listbox.grid(row=2, column=0, columnspan=2, padx=10, pady=10)

        # Populate initial tasks
        self.update_task_listbox()

    def add_task(self):
        task = self.task_var.get()
        if task:
            self.tasks.append(task)
            self.update_task_listbox()
            self.task_var.set("")  # Clear the entry
        else:
            messagebox.showwarning("Warning", "Please enter a task.")

    def remove_task(self):
        selected_index = self.task_listbox.curselection()
        if selected_index:
            selected_task = self.task_listbox.get(selected_index[0])
            self.tasks.remove(selected_task)
            self.update_task_listbox()
        else:
            messagebox.showwarning("Warning", "Please select a task to remove.")

    def update_task_listbox(self):
        self.task_listbox.delete(0, tk.END)
        for task in self.tasks:
            self.task_listbox.insert(tk.END, task)

if __name__ == "__main__":
    root = tk.Tk()
    app = ToDoListApp(root)
    root.mainloop()