Why '>>' is not showing on the test window??

Answer 1

Because you are writing a script, not interacting directly with the Python interpreter.

https://www.sololearn.com/discuss/1158279/?ref=app
https://www.sololearn.com/discuss/1384383/?ref=app
https://www.sololearn.com/discuss/1413905/?ref=app

Answer 2

Pooker You are warned to cease and desist from offensive language.