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Re: Unable to Understand grep and hash use for prime no.

by Anonymous Monk
on Aug 04, 2015 at 03:14 UTC ( [id://1137326]=note: print w/replies, xml ) Need Help??


in reply to Unable to Understand grep and hash use for prime no.

I'm unable to understand what exactly this code doing: exists $is_prime{$_} and $is_prime{$_}

Do you have any guesses?

Can you identify/name any part of the code as a type of thing (ex: variable , scalar...)?

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