app.py

from flask import Flask, render_template
from pytube import YouTube

app = Flask(__name__)

link = str(input('Enter the link of the video : '))

yt = YouTube(link)

title = yt.title

thumbnail = yt.thumbnail_url



@app.route('/')
def hello():
    return render_template('index.html', title=title, thumbnail=thumbnail, link=link )

if __name__ == '__main__':
    app.run()