Loading...

Back-end Engineering

448 learners

Building a ToDo App with Flask

This course guides you through the process of building a complete Todo app using Flask. You'll gain practical skills in displaying, adding, editing, and deleting tasks while mastering core Flask concepts like routing, templates, and handling user input. By the end, you'll have a solid foundation for creating dynamic web applications.

Flask

HTML

Python

See path

4 lessons

19 practices

2 hours

Server-Side Programming

Lessons and practices

Lesson 1: Setting a ToDo App Project

Running a Flask ToDo App

Initialize List with Another Todo Item

Fix Bugs in the ToDo App

Complete the ToDo App Setup

Build a Flask ToDo App

Lesson 2: Creating ToDos with User Input

Playing with the Add Functionality

Changing Method Names and Actions

Implementing the Add Functionality

Fix the Add Issues

Build the ToDo Add Feature

Lesson 3: Updating Existing ToDos

Edit and Update Todo Items

Complete the Code to Edit and Update Items

Find and Fix Route Bugs

Retrieving and Editing Existing Items

Implement the Update Functionality

Lesson 4: Removing ToDos from the List

Deleting Item from Our App

Fill the Code to Delete ToDos

Fix the Broken Delete Function

Delete ToDo Items in Flask

Meet Cosmo:

The smartest AI guide in the universe

Our built-in AI guide and tutor, Cosmo, prompts you with challenges that are built just for you and unblocks you when you get stuck.

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.