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I see that ELVM supports input, but not the demo site, input can only be passed using DevTools, so maybe it will be neccessary to add input to the demo...

When I obfuscate: ```python a,b,c,d=1,2,3,4 ``` after removing all the random variables, I get: ```python a,b,c,K170710586507698851=1,2,3,4 ```

How to match addition expressions with brackets

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I tried matching addition expressions with brackets (e.g.: `1+1`, `1+(2+3)+4`) using the following code: ```py ParserElement.enable_left_recursion() b=Forward() a=b+'+'+b|'('+b+')'|Word(nums) b