Question
Consider the array arr = [1, 2, 3, 4, 5] and the
following operations: 1. arr.insert(2, 9) (inserts 9 at index 2) 2. arr.pop(3) (removes element at index 3) What is the final state of the array arr after these operations?Solution
Initial: [1, 2, 3, 4, 5] 1. arr.insert(2, 9): [1, 2, 9, 3, 4, 5] (index 0=1, 1=2, 2=9, 3=3, 4=4, 5=5) 2. arr.pop(3): removes element at index 3, which is 3. Â Â Result: [1, 2, 9, 4, 5]
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