Correction


#1

Continuing the discussion from It seems that this course does not flag errors:

Continuing the discussion from It seems that this course does not flag errors:

Continuing the discussion from It seems that this course does not flag errors:

Continuing the discussion from It seems that this course does not flag errors:


#2

because SCT (submission correctness test)(the "program" which test your code) is absolutely not airtight. Now, i don't have a in dept understanding of SCT, but it is really hard i guess, because you have to use regex.