Welcome to the Treehouse Community
Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.
Start your free trialAkshaan Mazumdar
3,787 PointsException: argument of type 'NoneType' is not iterable
Seems to not work in the Workspace and I can't figure out what the issue is
class Student:
name = "Your Name"
def praise(self):
return "You inspire me, {}".format(self.name)
def reassurance(self):
return "Chin up, {}. You'll get it next time!".format(self.name)
def feedback(self,grade):
if grade > 50 :
return self.praise()
else:
self.reassurance()
1 Answer
Steven Parker
231,110 PointsBe careful about testing a challenge in an external REPL. When you work externally you may not be testing for purpose with the same stringency that the challenge does.
In this case, when the grade is 50 or below, the method needs to "return the reassurance method's result". The code shown here just calls the method without returning the result.