Thanks!!

You need to return the answer, not print it.

https://docs.codewars.com/training/training-example

Anyone had this problem?

Unexpected exception raised.
Traceback (most recent call last):
File "/workspace/default/.venv/lib/python3.11/site-packages/codewars_test/test_framework.py", line 112, in wrapper
func()
File "/workspace/default/tests.py", line 10, in basic_test_cases
test.assert_approx_equals(find_average([1, 2]), 1.5, margin=1e-3, message="Failed for [1, 2]")
File "/workspace/default/.venv/lib/python3.11/site-packages/codewars_test/test_framework.py", line 85, in assert_approx_equals
div = max(abs(actual), abs(expected), 1)
^^^^^^^^^^^
TypeError: bad operand type for abs(): 'NoneType'