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

8 votes208 views2 answers
Pandas filter rows by value in list
Python
0 vote197 views1 answer
Swap two columns python
Python
12 votes229 views4 answers
Get index of all element in list python
Python
0 vote221 views1 answer
Django forms request
Python
0 vote237 views1 answer
Tabpy Configuration file with custom settings
Python
5 votes198 views3 answers
Text input tkinter
Python
0 vote231 views1 answer
Rebinding a list stored in a Flask Session
Python
6 votes209 views2 answers
Hello world py
Python
1 vote205 views1 answer
How to install panda3d
Python
0 vote229 views1 answer
Python change file location
Python