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 vote315 views2 answers
How to print values without space in python
Python
3 votes378 views1 answer
No module named 'django.core.urlresolvers'
Python
3 votes306 views3 answers
Text to pandas
Python
1 vote329 views1 answer
Http client post python
Python
0 vote297 views1 answer
Faire n fois la division d'un nombre python
Python
0 vote326 views2 answers
Doing math in python
Python
10 votes340 views4 answers
Pandas using eval converter excluding nans
Python
0 vote333 views1 answer
Librosa from array to audio
Python
0 vote342 views1 answer
How to add textbox in pygame window
Python
0 vote317 views3 answers
How to send data to scrapy pipeline to mongodb
Python