All problems
Churn Rate
Problem
Compute the churn rate in percent: churned / start_count * 100.
Return 0.0 when start_count is 0.
Hint
Churn is customers lost divided by customers at the start of the period.
Test cases
case 1
in: [100,5]
expected: 5
case 2
in: [80,4]
expected: 5
case 3
in: [50,0]
expected: 0
case 4
in: [0,3]
expected: 0
Starter codePython
def churn_rate(start_count, churned_count):
# Your code here
pass4 test cases · run your code against them in the editor