How to add a favicon to a Flask route on Google colab without uploading a favicon file?

Solution

from flask import Flask, render_template_string
from flask_ngrok import run_with_ngrok

app = Flask(__name__)
run_with_ngrok(app)  

# Here I'm using a favicon.ico of a pizza from some random generator site
FAVICON_URL='https://favicon-generator.org/favicon-generator/htdocs/favicons/2015-01-17/50e4281252565f8fc85151c075d4e937.ico'

@app.route("/")
def hello():
    content='Hello!'
    return render_template_string(f'''

    
        
    
    
        {content}
    

''')

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

@app.route("/")
def hello():
    content='Hello!'
    return render_template_string(f'''

    
        
    
    
        {content}
    

''')