Debug a Code Snippet | Dataford Interview Questions

Here is a code snippet. What is wrong with it, and how would you fix it?

Write a function that processes every element in nums exactly once and returns the sum of all values. The function should handle empty arrays and single-element arrays correctly.

Function contract

Input: nums, a list of integers
Output: an integer sum of all elements

Constraints

0 <= len(nums) <= 10^4
-10^9 <= nums[i] <= 10^9

Function Signature

def process_nums(nums):

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