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cse160-staff@cs.washington.edu cse160_20wi_checkin03 > sum2
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Given an array of ints, return the sum of the first 2 elements in the array. If the array length is less than 2, just sum up the elements that exist, returning 0 if the array is length 0.


sum2([1, 2, 3]) → 3
sum2([1, 1]) → 2
sum2([1, 1, 1, 1]) → 2

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def sum2(nums):

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Difficulty: 127.0

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