Sum All
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Access to the solutions is blocked for a day or two (even after you share your own), until we'll have enough solutions for you to check.
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Sum all values!!
Input: a list of int values
Output: Int.
Example:
assert sum_all([1]) == 1 assert sum_all([1, 2, 3]) == 6 assert sum_all([]) == 0 assert sum_all([1, 2, -3]) == 0
