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Python Object-Oriented Python Instant Objects Method Interactivity

Posted by Sudhir Raghur Venkatesalu
Sudhir Raghur Venkatesalu
7,347 Points

What is wrong in my code ?? it throws "argument of type 'NoneType' is not iterable" error

it throws "argument of type 'NoneType' is not iterable" error

first_class.py 
class Student:
    name = "anusha"

    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:
            self.praise()
        else:
            self.reassurance()

p1 = Student()
p1.feedback(60)

1 Answer

KRIS NIKOLAISEN
KRIS NIKOLAISEN
54,971 Points
KRIS NIKOLAISEN
KRIS NIKOLAISEN
54,971 Points

Your feedback() method doesn't return the results of praise() or reassurance(). To test (although you shouldn't include test code in the challenge) you could try:

p1 = Student()
print(p1.feedback(60))

and the result is:

None

You need to use the return keyword in feedback()