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

0 vote390 views1 answer
Python string: .find()
Python
32 votes362 views6 answers
Python try
Python
0 vote378 views1 answer
Select default option django form
Python Django
0 vote346 views1 answer
Creating a bar plot bar | creating a bar chart
Python
7 votes326 views1 answer
Pandas insert column in the beginning
Python
0 vote352 views2 answers
Find location of a class in python
Python
13 votes336 views5 answers
How to check for missing values in pandas
Python
0 vote307 views1 answer
Highlight max value in table pandas dataframe
Python
0 vote316 views1 answer
Polyfit python
Python
0 vote333 views3 answers
Python pass by reference
Python