/Python/Flask/Python flask sample application

Python flask sample application

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

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)

Python flask sample application

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 vote227 views2 answers
Fetch api flask url redirect
Python Flask
3 votes202 views3 answers
Import flask
Python Flask
23 votes232 views6 answers
Flask getting started
Python Flask
12 votes226 views4 answers
Flask debug
Python Flask
0 vote213 views1 answer
Flask migrate multiple heads
Python Flask
0 vote251 views1 answer
Problems with flask bootstrap
Python Flask
6 votes203 views1 answer
Button in flask
Python Flask
0 vote221 views1 answer
Flask minimal install
Python Flask
0 vote220 views2 answers
Error: Could not locate a Flask application. You did not provide the "FLASK_APP" environment variable, and a "wsgi.py" or "app.py" module was not found in the current directory.
Python Flask
15 votes239 views6 answers
Install flask
Python Flask