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Given an ArrayList of Integers, return the sum of the first 2 elements in the ArrayList. If the size of the ArrayList is less than 2, just sum up the elements that exist, returning 0 if the size of the ArrayList is 0. sum2List([1, 2, 3]) → 3 sum2List([1, 1]) → 2 sum2List([1, 1, 1, 1]) → 2 ...Save, Compile, Run (ctrl-enter) |
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