Wow, that was super nice of your professor to do that!
I've missed a couple of labs for my biology class, and for those times that I missed it, we had a 10 point lab quiz. So, that was basically 50 lab points that I missed
Anyway, the prof. gave us 14 lab quizzes throughout the semester, and said in the beginning she would drop the 4 lowest quiz grades. I got all 10/10 for the quizzes I was there for, and had 90/100. She bumped up the 90 and gave me 100/100 for lab quizzes, even though I missed lab those times
Lab is just 25% of our overall grade, but I was still super excited.
She is sooo nice!