Where is the fault?

Question

This thread.sleep code does not work as it should. Where is the fault?

https://code.sololearn.com/c6136pCw4uFX/?ref=app

Answer 1

thanks guys

Answer 2

There is no problem with the code and make that class as thread class. Run it in other ide

Answer 3

SoloLearn sends the program result to the user after the program ends, so you cannot expect to see a pause between the output lines