Python Part
# call this file something like 'app.py'
from flask import Flask, render_template
app = Flask(__name)
@app.route('/')
def hello_world():
data = "Hello, World!"
return render_template('index.html', message=data)
if __name__ == '__main__':
app.run()
HTML Part
<!-- Make a folder 'templates' and add this 'index.html' inside of it-->
<!DOCTYPE html>
<html>
<head>
<title>Flask Hello World</title>
</head>
<body>
<h1>Hello from Flask!</h1>
<p></p>
</body>
</html>