CodingBat change5sTo3s

change5sTo3s

Given an ArrayList of Integers, return the ArrayList after changing all of the elements with a value of 5 to 3.

change5sTo3s([1, 2, 3, 4, 5]) → [1, 2, 3, 4, 3]
change5sTo3s([5, 2, 5, 4, 5, 12, 45]) → [3, 2, 3, 4, 3, 12, 45]
change5sTo3s([1, 2, 3, 5, 5]) → [1, 2, 3, 3, 3]

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