we think same xd..... simplicity is best

if you're working people who can't parse this code, then your project is a non starter anyway. This is basic stuff. I like to write these out myself but a list expression is just as easy to read.

tu prueba esta mal, estás pasando ([1, 2, 3], [3, 4, 5]) (un tuple con dos listas) a la función. La función está duplicando cada elemento del tuple (cada lista) Por eso lo que te salió fue cada lista duplicada ([1, 2, 3] * 2 = [1, 2, 3, 1, 2, 3])

But this code will produce an incorrect answer to arr = [1,1,1]. Or do I understand something wrong?

it's very good

welcome to the ternary operator club!! clean code at its finest!! :)

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Let's not give anyone any stupid ideas, please.

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I'm so happy that my solution is the same! Thank you :)

same

Actually good one liner! Mine is kinda similar but a bit longer)