Flask python microframework crash course 2021 for beginners

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sure! here is a crash course on flask, a popular python microframework for building web applications.

flask crash course 2021 for beginners

#### what is flask?
flask is a lightweight python web framework that allows you to build web applications quickly and easily. it is simple to use and is great for beginners getting started with web development.

#### setting up flask
to get started with flask, you need to install it using pip. you can do this by running the following command in your terminal/command prompt:


#### hello world example
here is a simple "hello world" example to get you started with flask:


#### running the flask application
save the above code in a file (e.g., `app.py`) and run the following command in your terminal/command prompt:

this will start a development server and you can access your flask application at `http://127.0.0.1:5000/`.

#### routing
in flask, you can define routes using the `@app.route()` decorator. routes are urls that the user can visit to interact with your application.

#### templates
flask allows you to use templates to create dynamic web pages. you can use jinja2 templating engine to render dynamic content in your html templates.

#### static files
you can serve static files such as css, javascript, and images using the `static` folder in your flask application.

#### conclusion
flask is a versatile and beginner-friendly framework for building web applications in python. this crash course should give you a good starting point to explore more advanced features of flask.

feel free to explore the flask documentation for more in-depth information and tutorials: [flask documentation](https://flask.palletsprojects.com/)

i hope this crash course was helpful! let me know if you have any questions or need further assistance.

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