Flask minimal app

Simple flask app

# Extremely simple flask application, will display 'Hello World!' on the screen when you run it
# Access it by running it, then going to whatever port its running on (It'll say which port it's running on).
from flask import Flask
app = Flask(__name__)

@app.route('/')
def hello_world():
    return 'Hello, World!'

if __name__ == '__main__':
    app.run()

Source: flask.palletsprojects.com

Flask.pocoo.org quickstart

from flask import Flask
app = Flask(__name__)

@app.route('/')
def hello_world():
    return 'Hello, World!'

Source: flask.palletsprojects.com

Flask minimal app

from flask import Flask
app = Flask(__name__)

@app.route('/')
def hello_world():
    return 'Hello, World!'

Flask minimal install

from flask import Flask
app = Flask(__name__)

@app.route("/")
def hello_world():
    return "<p>Hello, World!</p>"

app.run()
# or
app.run(debug = True)

Source: flask.palletsprojects.com

Export flask app

> set FLASK_APP=hello
> flask run

Source: flask.palletsprojects.com

Similar codes

6 votes285 views4 answers
Np.random.seed
Python
31 votes254 views4 answers
Python convert list of strings to list of integers
Python
0 vote271 views1 answer
Microsoft python
Python
0 vote264 views1 answer
Python obtenir nom des fichiers d'un dossier
Python
0 vote255 views1 answer
How to append substring to string in specific position in python
Python
3 votes282 views2 answers
How to print last element in a list python
Python
0 vote261 views1 answer
How to take multiple input form python
Python
0 vote274 views1 answer
Print the numbers assigned to the list values in python
Python
1 vote293 views1 answer
User matching query does not exist. django
Python Django
9 votes291 views1 answer
Cannot acess stylesheets in static files
Python