flask debug

1$ export FLASK_ENV=development
2$ flask run
3

1$ export FLASK_APP=hello.py
2$ python -m flask run
3 * Running on http://127.0.0.1:5000/
4

1app.run(debug=True)
2

1from flask import Flask
2app = Flask(__name__)
3
4@app.route('/')
5def index():
6    return 'Flask'

1export FLASK_ENV=development
2
3# To launch the app (Needed only once)
4flask run