Compare 2 lists and use biggest values as output

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1

I have 2 list and want to output the biggest value of the two list.

Any idea why the code block is wrong?

Compare%202%20lists%20and%20use%20biggest%20value%20as%20output
Compare 2 lists and use biggest value as output.png840×821 45 KB

2

@snnybsch swap = and <
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