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sure! below is an informative tutorial that covers the basics of building a web application using flask, a lightweight web framework for python. we will go through the fundamental concepts, building a simple web application, and finally deploying it. this tutorial assumes you have a basic understanding of python.
### table of contents
1. introduction to flask
2. setting up your environment
3. creating a basic flask application
4. routing and views
5. templates
6. handling forms
7. working with databases
8. user authentication
9. deployment
10. conclusion
---
### 1. introduction to flask
flask is a lightweight wsgi web application framework in python. it's designed with simplicity and flexibility in mind. flask is ideal for small to medium-sized projects and is easy to scale.
### 2. setting up your environment
first, make sure you have python installed on your machine. you can download it from [python.org]([ Ссылка ]).
next, set up a virtual environment:
### 3. creating a basic flask application
create a file named `app.py` and write the following code:
run your application:
visit `[ Ссылка ]` in your browser, and you should see "hello, flask!".
### 4. routing and views
flask uses a routing system to map urls to functions. you can create multiple routes:
### 5. templates
flask integrates with jinja2 templating engine. create a `templates` folder and add an `index.html` file:
update `app.py` to render the template:
### 6. handling forms
to handle forms, you can use flask-wtf for form handling. first, install it:
create a form in `forms.py`:
update your routes to handle the form:
### 7. working with databases
to use a database, you can use sqlalchemy. install it:
set up the database in `app.py`:
### 8. user authentication
you can use flask-login for user authentication. install it:
set up user management, routes, and views for login/logout.
### 9. deployment
to deploy flask applications, you ...
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