/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

15 votes289 views6 answers
Flask setup
Python Flask
0 vote185 views1 answer
Flask return 404
Python Flask
4 votes113 views1 answer
Flask image
Python Flask
15 votes274 views6 answers
How to install flask
Python Flask
1 vote184 views1 answer
Flask define template folder
Python Flask
4 votes167 views3 answers
How to change port in flask app
Python Flask
0 vote171 views1 answer
How to pre populate field flask wtforms
Python Flask
23 votes295 views6 answers
Flask getting started
Python Flask
0 vote165 views1 answer
Firebase python flask
Python Flask
0 vote152 views1 answer
Unable to import flask pylint
Python Flask