Element-wise vector addition

Add equal-length numeric lists element-wise.

vectors arrays numpy-style

Implement `vector_add(a: list[float], b: list[float]) -> list[float]`.

Constraints: Pure Python lists only (no numpy import required in browser).

Constraints

Pure Python lists only (no numpy import required in browser).

Example

>>> vector_add(...)
# see tests

10 points ~12 min

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Hints

Think element-wise across aligned indices.

Handle empty inputs before loops.

Test Results

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