Lognormal Median Value

Problem

The lognormal median is exp(mu), since the median of the underlying normal is mu.

Given mu, return the median.

Hint

Monotone transforms preserve medians.

case 1

in: [0]

expected: 1

case 2

in: [1]

expected: 2.718281828459045

case 3

in: [-2]

expected: 0.1353352832366127

Starter codePython

def lognormal_median_value(mu):
    # Your code here
    pass

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