Created
September 4, 2017 09:41
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| def one_jump str | |
| str | |
| .split('') | |
| .map.with_index{|c, index| | |
| if index % 2 === 0 | |
| c | |
| else | |
| nil | |
| end | |
| }.compact.join | |
| end | |
| puts one_jump "aiueo" |
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