{Moderator’s Edit: Solution Code Removed}
Hello @Kartik_Subraya_Nayak ,
This is to inform you that Coursera Labs are currently down and you might not be able to open any lab for the time being. Coursera is aware of this and working on resolving it.
Deeplearning.AI shall inform you once it is solved. Keep following this post for the updates.
Check this :
With regards,
Nilosree Sengupta
when
it will open
Hello @Hariom_Pratap_Singh
Welcome to the community!!
It should work now.
With regards,
Nilosree Sengupta
Hey @Kartik_Subraya_Nayak,
Welcome, and we are glad that you could become a part of our community 
@nilosreesengupta, thanks a lot for the follow-up, however, I believe that Kartik is facing a different issue.
@Kartik_Subraya_Nayak, I believe you are using an older version of the notebook, and as a result, the grader is unable to grade your notebook. Please follow the steps posted in this thread to get the latest copy of your assignment. Let us know if this helps.
P.S. - Posting solution code publicly is strictly against the community guidelines. Please note this for future references.
Cheers,
Elemento
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I’m having the same problem right now, almost all my outputs are simmilar to the expected output, but I’m always receiving the 0/100 grade
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