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todo-list.py
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todo-list.py
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# Import the tkinter module and alias it as tk for easier reference
import tkinter as tk
# Import the messagebox module from tkinter for displaying warning messages
from tkinter import messagebox
# Define a class TodoApp
class TodoApp:
# Constructor method to initialize the application
def __init__(self, root):
# Store the root window object
self.root = root
# Set the title of the root window
self.root.title("To-Do List")
# Set the dimensions of the root window
self.root.geometry("400x500")
# Set the background color of the root window
self.root.configure(bg="#333")
# Create a frame with rounded corners
self.frame = tk.Frame(root, bg="#333", bd=5, relief=tk.GROOVE)
# Place the frame in the center of the root window
self.frame.place(relx=0.5, rely=0.5, anchor=tk.CENTER)
# Create a larger input text field
self.task_entry = tk.Entry(self.frame, font=("Arial", 14), bg="#444", fg="#fff", insertbackground="#fff")
# Pack the input field with padding and increased height (ipady)
self.task_entry.pack(pady=10, padx=10, fill=tk.X, ipady=8)
# Create a button for adding tasks
add_button = tk.Button(self.frame, text="Add Task", command=self.add_task, font=("Arial", 12), bg="#555", fg="#fff")
# Pack the add button
add_button.pack(pady=5, padx=10, fill=tk.X)
# Create a listbox to display tasks
self.task_listbox = tk.Listbox(self.frame, selectbackground="#555", selectforeground="#fff", font=("Arial", 12), bg="#333", fg="#fff")
# Pack the listbox with padding and expand it in both directions
self.task_listbox.pack(pady=10, padx=10, fill=tk.BOTH, expand=True)
# Create a button for deleting tasks
delete_button = tk.Button(self.frame, text="Delete Task", command=self.delete_task, font=("Arial", 12), bg="#555", fg="#fff")
# Pack the delete button
delete_button.pack(pady=5, padx=10, fill=tk.X)
# Method to add a new task
def add_task(self):
# Get the task text from the input field
task = self.task_entry.get()
# Check if the task text is not empty
if task:
# Append the task to the tasks list
self.tasks.append(task)
# Update the task list display
self.update_task_list()
# Clear the input field
self.task_entry.delete(0, tk.END)
else:
# Show a warning message if the task text is empty
messagebox.showwarning("Warning", "Please enter a task.")
# Method to delete a task
def delete_task(self):
# Get the index of the selected task
selected_task_index = self.task_listbox.curselection()
# Check if a task is selected
if selected_task_index:
# Remove the selected task from the tasks list
self.tasks.pop(selected_task_index[0])
# Update the task list display
self.update_task_list()
else:
# Show a warning message if no task is selected for deletion
messagebox.showwarning("Warning", "Please select a task to delete.")
# Method to update the task list display
def update_task_list(self):
# Clear the task listbox
self.task_listbox.delete(0, tk.END)
# Iterate over the tasks list and display each task with numbering
for i, task in enumerate(self.tasks, start=1):
self.task_listbox.insert(tk.END, f"{i}. {task}")
# Main function to run the application
def main():
# Create the root window
root = tk.Tk()
# Set the dimensions of the root window
root.geometry("400x500")
# Create an instance of the TodoApp class with the root window as argument
app = TodoApp(root)
# Initialize the tasks list
app.tasks = []
# Start the tkinter event loop
root.mainloop()
# Check if the script is being run directly
if __name__ == "__main__":
# Call the main function
main()