Flask tutorial

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 tutorial

from flask import Flask
app = Flask(__name__)

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

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

Source: tutorialspoint.com

Flask.pocoo.org quickstart

from flask import Flask
app = Flask(__name__)

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

Source: flask.palletsprojects.com

Basic flask app python

#Import Flask, if not then install and import.

import os
try:
  from flask import *
except:
  os.system("pip3 install flask")
  from flask import *

app = Flask(__name__)

@app.route("/")
def index():
  return "<h1>Hello World</h1>"

if __name__ == "__main__":
  app.run(host="0.0.0.0", port=8080, debug=False)

Similar codes

0 vote341 views1 answer
Flask app with spark
Python Flask
6 votes402 views4 answers
Flask get with parameters
Python Flask
0 vote339 views1 answer
No module named 'flask_jwt_extended'
Python Flask
0 vote343 views1 answer
Flask new response style with `make_response`
Python Flask
1 vote357 views2 answers
Run flask in background
Python Flask
0 vote331 views2 answers
Flask abort
Python Flask
0 vote370 views1 answer
Flask remove file after send_file
Python Flask
0 vote375 views1 answer
Last executed query in flask api
Python Flask
4 votes359 views2 answers
Flask get variable from url
Python Flask
10 votes381 views6 answers
Flask – Environment
Python Flask