[split] Help with learning threading please.

[kalinuxman]

Hi guys I write this simple code

the code :

and I get this error:

So any solutions ???

[buran]

Please, don't post images of code, errors, output.
Copy/paste and use proper tags when post code, traceback, output, etc.
See BBcode help for more info.

that said, this is not error of the code, but looks like IDLE error. I would try to run the code elsewhere e.g. from cmd