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

0 vote307 views2 answers
Django admin image
Python
4 votes348 views2 answers
Plt dashed line
Python
0 vote294 views1 answer
How to import matplotlib.pyplo in python
Python
1 vote348 views6 answers
Python filter function
Python
13 votes292 views1 answer
Selenium webdriver python
Python
0 vote306 views1 answer
Print dataframe row horizontally
Python
117 votes332 views6 answers
Python how to get user input
Python
2 votes301 views1 answer
Python loop append to dictionary
Python
1 vote296 views1 answer
Python convert querydict to dict
Python
0 vote334 views2 answers
Check anonim user django
Python Django