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 vote163 views1 answer
Pandas isin another dataframe column
Python
0 vote151 views1 answer
Python set attribute by string name
Python
0 vote159 views1 answer
How to convert a list to a string by newline python
Python
0 vote147 views2 answers
1007 solution python
Python
8 votes143 views1 answer
Expand all rows pandas
Python
0 vote147 views1 answer
Origin in CORS_ORIGIN_WHITELIST is missing scheme or netloc
Python
0 vote166 views1 answer
How to make one list from nested list
Python
10 votes152 views2 answers
Python color in console
Python
2 votes152 views2 answers
How to invert plot axis python
Python
0 vote151 views1 answer
Python tf.maximum
Python