Flood Volume Error

Problem

Compute the relative flood volume error: (sum(forecast) - sum(actual)) / sum(actual).

Return 0.0 when the actual total volume is zero.

Hint

Positive values mean the forecast volume is too high.

case 1

in: [[1,2,3],[2,3,4]]

expected: 0.5

case 2

in: [[5,5],[4,4]]

expected: -0.2

case 3

in: [[0,0],[1,1]]

expected: 0

case 4

in: [[2],[3]]

expected: 0.5

Starter codePython

def flood_volume_error(actual, forecast):
    # Your code here
    pass

4 test cases · run your code against them in the editor