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 vote216 views1 answer
Float infinity python
Python
82 votes223 views6 answers
Arch Linux
Python
2 votes261 views1 answer
Truncate templat tag django
Python Django
1 vote228 views1 answer
Pandas select all columns except one
Python
0 vote233 views1 answer
Django models for existing database
Python Django
0 vote212 views1 answer
Polish notation python
Python
2 votes212 views1 answer
How do I mock an uploaded file in django?
Python
2 votes205 views1 answer
Numpy how to slice individual columns
Python
-3 votes243 views1 answer
ImportError: cannot import name 'SGD' from 'keras.optimizers' (/usr/local/lib/python3.7/dist-packages/keras/optimizers.py) site:stackoverflow.com
Python
8 votes237 views1 answer
How to run python in atom
Python