Log Transform Feature

Problem

Apply the natural logarithm element-wise; inputs are assumed positive.

Empty input returns [].

Hint

Use math.log (base e), not log2 or log10.

case 1

in: [[1,2.718281828459045,10]]

expected: [0,1,2.302585092994046]

case 2

in: [[0.5]]

expected: [-0.6931471805599453]

case 3

in: [[1,1]]

expected: [0,0]

case 4

in: [[]]

expected: []

Starter codePython

import math
def log_transform(values):
    # Your code here
    pass

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