从范围中获取偶数:Sudo 到 Ruby

-2 ruby sudo

已在 sudo 中生成代码,需要指导将其转移到 ruby​​。

须藤:

Numbers = array containing 1-10
Even_numbers = empty array

Newmethoddeclaration 
For each num in Numbers
      If num % 2 == 0
         Add num to even_numbers
Print even_numbers.
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红宝石:

Mat*_*ias 5

以下会短一点..

(1..10).select(&:even?)

=> [2,4,6,8,10]
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