Exporting multiple variables values from inside a Python code block?

In *org-mode*, I'm using `#+name: var1` at the top of the code block to use the output of the code evaluation across the rest of the document, as `call_var1()`. And it works great. What if I have a Python code block with multiple variables inside (`var2`, `var3` etc) that I would like to export and make them available across the rest of the document. How can I do that? Or at least to use the `var2`, `var3` etc variables in other Python code blocks?

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See sessions in the [org-mode](https://orgmode.org/manual/Environment-of-a-Code-Block.html#index-session_002c-header-argument) and [ob-python](https://orgmode.org/worg/org-contrib/babel/languages/ob-doc-python.html#orgf078b01) manuals. >Sessions can be used to define functions, set up variables, and share code between source blocks. #+begin_src python :results none :session var2 = 2 var3 = 3 #+end_src #+begin_src python :results output :session print(var2+var3) #+end_src #+RESULTS: : 5

This is wonderful, thank you!