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

0 vote298 views2 answers
Python return multiple variables from function
Python
0 vote327 views1 answer
'ManyRelatedManager' object is not iterable
Python
0 vote291 views1 answer
String + string in python
Python
2 votes349 views1 answer
Switching keys and values in a dictionary in python [duplicate]
Python
2 votes311 views2 answers
How to install pywin32 python
Python
58 votes378 views6 answers
Python class
Python
0 vote304 views1 answer
Image data generator keras with tf.data.Data.from_generator
Python
42 votes267 views6 answers
Python check if key exists
Python
1 vote329 views1 answer
Plt imshow python
Python
0 vote316 views1 answer
Requests.packages.urllib3.util.retry could not be resolved from source
Python