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 vote140 views1 answer
Função find python
Python
60 votes143 views6 answers
Python remove letters from string
Python
0 vote146 views1 answer
Copy files to a directory using text file
Python
0 vote143 views1 answer
> not supported between tuple and int
Python
1 vote149 views1 answer
Python sort with comparator
Python
0 vote181 views1 answer
Find the highest id in model django
Python Django
0 vote136 views2 answers
Pandas sub columns
Python
0 vote133 views1 answer
How to access value from <class 'pandas.core.indexes.numeric.Int64Index'>?q=int64.index
Python
2 votes143 views1 answer
Input float python
Python
0 vote140 views1 answer
Dataframe pandas to spark
Python