app.py

import random
from flask import Flask, render_template, request, flash

app = Flask(  # Create a flask app
	__name__,
	template_folder='templates',  # Name of html file folder
	static_folder='static'  # Name of directory for static files
)

@app.route("/hello")
def index():
	flash("what's your name?")
	return render_template("index.html")

@app.route("/greet", methods=['POST', 'GET'])
def greeter():
	flash("Hi " + str(request.form['name_input']) + ", great to see you!")
	return render_template("index.html")

if __name__ == "__main__":  # Makes sure this is the main process
	app.run( # Starts the site
		host='0.0.0.0',  # EStablishes the host, required for repl to detect the site
    debug=True,
		port=random.randint(2000, 9000)  # Randomly select the port the machine hosts on.
	)