CodingBat listYucky7

listYucky7

Return the sum of the numbers in the array list. Except the number 7 is yucky, so it does not count and numbers that come immediately after a 7 also do not count.

listYucky7([1, 4]) → 5
listYucky7([1, 2, 7, 3]) → 3
listYucky7([1, 7, 8, 5, 7]) → 6

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Difficulty: 150 Post-solution available

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