Can anyone explain that?

1 Why . __dict __ cannot be Show attributes and variables inner the func function . 2. What is temp on line 11 Is this an attribute for the func function? 3.why x not change within func? https://code.sololearn.com/cjI9vGcyVX60/?ref=app