Total of a list

Write sum(nums)

Return the total of an array of numbers. An empty array totals 0. Numbers can be negative or have decimals.

Examples

• sum([1, 2, 3])returns 6
• sum([10, -4])returns 6
• sum([])returns 0

Plus 5 hidden tests with edge cases. Their inputs stay hidden until you have tried twice.

Run tests to see each example and hidden test pass or fail. Each run stops after 3 seconds.