Welcome to the Treehouse Community
The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

MIAN OSAMA ARSHAD
Courses Plus Student 279 PointsError In code List
import copy
class FilledList(list):
def __init__(self, count, value, *args, **kwargs):
super.__init__()
for _ in range(count):
self.append(copy.copy(value))
fl = FilledList(9, 2)
print(len(fl))
Traceback (most recent call last):
File "E:/python treehouse practice/oop/filledlist.py", line 11, in <module>
fl = FilledList(9, 2)
File "E:/python treehouse practice/oop/filledlist.py", line 6, in __init__
super.__init__()
TypeError: descriptor '__init__' of 'super' object needs an argument
Why this error occur i m using pycharm
1 Answer

Steven Parker
221,902 PointsIt looks like you forgot the parentheses after "super":
super.__init__() # original
super().__init__() # fixed
MIAN OSAMA ARSHAD
Courses Plus Student 279 PointsMIAN OSAMA ARSHAD
Courses Plus Student 279 PointsOh . Thanks i did not notice that little mistake