Flask quickstart

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 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.pocoo.org quickstart

from flask import Flask
app = Flask(__name__)

@app.route('/')
def hello_world():
    return 'Hello, World!'

Source: flask.palletsprojects.com

Flask quickstart

from flask import Flask

app = Flask(__name__)

@app.route("/")
def hello_world():
    return "<p>Hello, World!</p>"

Source: flask.palletsprojects.com

Similar codes

1 vote165 views1 answer
Check odd numbers numpy
Python
0 vote164 views1 answer
Python use orange
Python
0 vote140 views1 answer
Django capture the file upload
Python
1 vote142 views1 answer
Issue TypeError: can’t multiply sequence by non-int of type str
Python
1 vote161 views2 answers
Set recursion limit python
Python
0 vote152 views1 answer
Exponent function in python
Python
0 vote133 views1 answer
Python Name Genorator pip install command
Python
0 vote193 views1 answer
How to extract field values in list from queryset in django
Python Django
0 vote146 views1 answer
Lowercase all text in a column
Python
0 vote147 views1 answer
How to add column to heroku postgres in my django app
Python