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like so
``` - add language identifier to highlight code ```python
def function(foo):
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n{a=[];->n,*a{, and the first pair of parentheses isn't needed. \$\endgroup\$n. Ifnis negative it can be divided by 2 directly (Ruby rounds to minus infinity so we get the right even-odd behaviour.) Just compare with-jand saves an additional 2 bytes. \$\endgroup\$