Does the programming of Instagram is done by python?

Question

And how the program is ?

Answer 1

Instagram has a technical blog where you can know more details. They give information about what their infrastructure was like a few years ago and what stack they used.

https://instagram-engineering.com/what-powers-instagram-hundreds-of-instances-dozens-of-technologies-adf2e22da2ad

They also have an article about integrating React Native into their application:

https://instagram-engineering.com/react-native-at-instagram-dd828a9a90c7

Answer 2

Instagram was programmed by python Django and Flask. Also Printerest, Facebook.