How to Create a Web Application in Python Using Flask

Create a Python web application that retrieves and displays weather information for major cities using Flask. Learn to set up a virtual environment, install necessary packages, handle environment variables, and structure your project with static files and templates. Develop a weather module to interact with the OpenWeatherMap API, implement Flask routing, and create a user-friendly interface. Explore how to switch to a production server, handle unexpected user input, and ultimately deploy your application to the web. This comprehensive tutorial covers everything from project setup to deployment, making it ideal for Python beginners looking to build their first web application.

Intro
Welcome
Overview
Create & activate a Virtual Environment
Install packages with PIP
.gitignore and .env files
static and templates
Create the weather module
Getting started with Flask
Switching to a production server
Weather Results template
Running the app
Handling unexpected input
Deploying the app to the web