The flask is not really an MVC environment. This is a minimalist structure that gives you a lot of freedom in how you structure your application, but the MVC template is very suitable for what Flask offers.
Essentially, you write your methods and map them to a specific route, for example:
@app.route("/")
def hello():
return "Hello World!"
, . , Jinja2, ( ) :
@app.route("/")
def hello():
return render_template('index.html', username="John Doe")
index.html . .
. , , - ( , ORM, SQLAlchemy), , .
: MVC