Input: `add_numbers(5, 7)` Output: `12` Explanation: The sum of 5 and 7 is 12. NOTE: Make sure you're in the 004-python-sum-of-two-numbers directory (containing the test.py file) when executing the ...

The input will always be valid (numbers will be an array of length 2 or greater, and all of the items will be numbers; target will always be the sum of two different items from that array).