I've encountered the following error in task titled Part of the Whole:
Oops, try again. get_class_average([alice]) resulted in an error: global name 'result' is not defined
results = 
for student in students:
Where did I go wrong? Seems like nobody else had this issue... I'll appreciate any help.
Ps. I have no idea how to intend code in this editor. Tab doesn't work.