Average Chunk Length

Problem

Return the mean length of the chunks described by lengths, or 0.0 when lengths is empty.

Hint

Mean is the sum of lengths divided by the chunk count.

case 1

in: [[4,4,2]]

expected: 3.3333333333333335

case 2

in: [[]]

expected: 0

case 3

in: [[5]]

expected: 5

case 4

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

expected: 2.5

Starter codePython

def average_chunk_length(lengths):
    # Your code here
    pass

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