Flask app example

# 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 how to run app

$ export FLASK_APP=hello.py
$ python -m flask run
 * Running on http://127.0.0.1:5000/

Source: flask.palletsprojects.com

Flask example

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)

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

1 vote261 views1 answer
Connecting Kaggle to Google Colab
Python
-2 votes275 views1 answer
Ipython install
Python
0 vote291 views1 answer
Redis in django channels
Python Django
73 votes262 views6 answers
Matplotlib
Python
18 votes271 views3 answers
Django-admin startproject
Python
1 vote290 views1 answer
Check empty tuple python
Python
5 votes295 views3 answers
How to extract zip file using python
Python
0 vote276 views1 answer
Python append filename to path
Python
0 vote287 views1 answer
Separate path python
Python
1 vote280 views1 answer
Pandas read csv read all rows except one
Python