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 vote288 views1 answer
Today's day of the year
Python
0 vote314 views1 answer
Pandas df to R df
Python
0 vote360 views1 answer
Get table wikipedia
Python
0 vote325 views1 answer
After groupby how to add values in two rows to a list
Python
0 vote293 views1 answer
F string add 0 before python
Python
0 vote316 views1 answer
Module 'tensorflow' has no attribute 'InteractiveSession'
Python
3 votes324 views2 answers
TypeError: 'numpy.ndarray' object is not callable
Python
1 vote302 views1 answer
How to download excel file from s3 using python
Python
0 vote323 views1 answer
Anvil get last row of data table
Python
4 votes296 views3 answers
List methods append in python
Python