[Zope] dtml-let and python script

[Kevin Lewandowski]

Maybe this is really easy but I can find an example anywhere.
How can I access a variable set with "dtml-let" inside of a
python script?

For example:

<dtml-let val="'a value'">
  <dtml-var python_script>
</dtml-let>

How can I access val from inside python_script?

thanks

-Kevin

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