I ran into a small problem with the C1W2 assignment autograder. The first time I submitted the assignment I got the error Code Cell UNQ_C5: Function 'get_npv' is incorrect. Check implementation. I reviewed the assignment, but I didn’t find a problem and I submitted it again. The 2nd time it said ‘get_npv’ is correct. It seems it has a consistency problem.
chances are the first time you submitted, the changes you made must have not got saved, in such case usually clearing out the kernel output and re-run of codes results in successful submission if one’s codes are correct.
The auto-save on the Coursera platform is quite slow to activate. It’s a good idea to save your work before manually (Save and Checkpoint) before you submit for grading.
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