from flask import Flask, render_template
import datetime
app = Flask(__name__)
@app.route('/')
def index():
date = datetime.datetime.now()
h = date.hour
m = date.minute
s = date.second
return render_template("index.html", heure = h, minute = m, seconde = s)
app.run(debug=True,port=5001)
<!doctype html>
<html lang="fr">
<head>
<meta charset="utf-8">
<title>Ma page</title>
</head>
<body>
<h1>Mon super site</h1>
<p>Tout fonctionne parfaitement, il est {{heure}}h {{minute}} et {{seconde}}</p>
</body>
</html>