Hello World using Flask with Jedi name

Hello World Flask

from flask import Flask
from os import environ

app = Flask(__name__)

@app.route("/")
@app.route("/hello")
def say_hi():
    return "Hello World!"

@app.route("/jedi/<first_name>/<last_name>")
def jedi_name(first_name, last_name):
    return last_name[:3]+first_name[:2]
    
@app.route("/hello/<name>")
def hello_person(name):
    html = """
        <h1>
            Hello {}!
        </h1>
        <p>
            Here's a picture of a kitten.  Awww...
        </p>
        <img src="http://placekitten.com/g/200/300">
    """
    return html.format(name.title())
    
if __name__ == '__main__':
    app.run(host=environ['IP'],port=int(environ['PORT']))