i was going to call the headline 'clickbait' and then talk about the title..
but that's what clickbait is. just having this title will bring in some traffic.
even though this article doesn't really answer the stupid question.
they are both good and there a pros and cons about both.
if you were going to make a big website. let's say an e-commerce site. you have a range of garden products for sale. from seeds to bonsai trees. you keep track of stock, customers, and updates. it's big. you would use django.
if you have a small website. like a photo album, a blog.. like an uno task site, with little maintenance, you would use flask.
flask is django's little brother.
they both have templates, and variables. many things work similarly.
there are many great tutorials out there.. go try one.
now!