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 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

Default flask app

from flask import Flask
app = Flask(__name__)

@app.route('/')
def index():
    return 'Flask'

Flask.pocoo.org quickstart

from flask import Flask
app = Flask(__name__)

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

Source: flask.palletsprojects.com

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 vote245 views1 answer
Python get index of item in 2d list
Python
0 vote260 views1 answer
Find type of an element in list python
Python
6 votes282 views2 answers
Python writeline file
Python
0 vote286 views1 answer
Upgrade packages in windows
Python
1 vote290 views1 answer
Python match statement
Python
0 vote267 views1 answer
How to add scrollbar to listbox in tkinter
Python
5 votes281 views3 answers
Pandas show duplicate rows
Python
0 vote271 views1 answer
Save this RDD as a SequenceFile of serialized objects
Python
0 vote280 views1 answer
Python opencv draw rectangle with mouse
Python
0 vote239 views1 answer
Convert ascii to binary python
Python