I am still confused on generators.

Question

I have read the examples and many of the posts. I am still confused on what the purpose of a generator is, and what does it mean to destroy a variable?

Answer 1

Maybe for you will be useful these links:
http://stackoverflow.com/questions/8237647/clear-variable-in-JUMP_LINK__&&__python__&&__JUMP_LINK
http://stackoverflow.com/questions/15401066/why-does-python-destroy-class-variables-before-objects