well even if the indentation is correct, this code would raise an exception because w is not defined. So you get a Traceback.
Do as Larz60+ advised you - put your code in python tags with correct indentation. Post also Full traceback you get in error tags
Do as Larz60+ advised you - put your code in python tags with correct indentation. Post also Full traceback you get in error tags
If you can't explain it to a six year old, you don't understand it yourself, Albert Einstein
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs
How to Ask Questions The Smart Way: link and another link
Create MCV example
Debug small programs