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

7 votes219 views2 answers
Python string prefix
Python
1 vote292 views2 answers
Python str prefix
Python
0 vote258 views1 answer
Zero crossing rate python
Python
1 vote266 views5 answers
LibGLU.so.1: cannot open shared object file: No such file or directory
Python
0 vote300 views1 answer
Trim all new rows string python
Python
0 vote280 views1 answer
Pandas grid subplots
Python
1 vote269 views1 answer
Str replace python regex
Python
0 vote279 views1 answer
Python series sort
Python
8 votes246 views3 answers
How to playsound in python
Python
-3 votes256 views1 answer
Get path of open file python
Python