Please help resolve this.
Following is my error output:
Please compare your code to the formula given in the instructions, as highlighted in this screenshot:
My theory is that your code omits the +1 in both the numerator and denominator. It’s been a long time since I watched the lectures for this course, so I forget whether they explained this in the lectures, but the reason for the +1 is to avoid divide by zero problems. Note that you may well have 0 as the count for either positive or negative words.
I tried making that mistake and I get the exact wrong answers that you show. 
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That was just it! It solved the problem.
Thank you so much.
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