Created
April 9, 2018 05:40
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| def sum(array) | |
| sum = 0 | |
| if array.size == 1 | |
| sum += array[0] | |
| return sum | |
| else | |
| array.shift | |
| sum(array) | |
| end | |
| end | |
| p sum([1,2,3]) |
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