If n=0 then result is "-0.0" but should be "0".

In the Kata description: """ Your points are not included in the array of your class's points. For calculating the average point you may add your point to the given array! """

Your solution does not seem to include "your points". Also '.reduce' fails if the list is empty. '.fold()' handles that case.

In the Kata description: """ Your points are not included in the array of your class's points. For calculating the average point you may add your point to the given array! """

Your solution does not seem to include "your points". Also '.reduce' fails if the list is empty. '.fold()' handles that case.

In the Kata description: """ Your points are not included in the array of your class's points. For calculating the average point you may add your point to the given array! """

Your solution does not seem to include "your points". Also '.reduce' fails if the list is empty. '.fold()' handles that case.

In the Kata description: """ Your points are not included in the array of your class's points. For calculating the average point you may add your point to the given array! """

Your solution does not seem to include "your points". Also '.reduce' fails if the list is empty. '.fold()' handles that case.

In the Kata description: """ Your points are not included in the array of your class's points. For calculating the average point you may add your point to the given array! """

Your solution does not seem to include "your points".
Also '.reduce' fails if the list is empty. '.fold()' handles that case.