Flask tutorial

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.pocoo.org quickstart

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)

Similar codes

0 vote155 views1 answer
Nested list flask
Python Flask
0 vote133 views1 answer
Python flask how to remove last character from string
Python Flask
5 votes158 views3 answers
Flask port
Python Flask
12 votes232 views4 answers
Flask debug
Python Flask
0 vote167 views2 answers
Where should favicon.ico be placed in flask app
Python Flask
0 vote144 views1 answer
Flask google analytics
Python Flask
0 vote169 views1 answer
Flask put request example
Python Flask
0 vote155 views1 answer
Flash not defined python flask
Python Flask
1 vote219 views1 answer
Flask clear session
Python Flask
4 votes146 views1 answer
Video streaming flask
Python Flask