QUESTION: Fix punctuation: What is File Extension OFC
ANS: What is File Extension OFC?
QUES: You have a very nice view and there is plenty of natural light

correct the punctuation.

CORRECTED: You have a very nice view and there is plenty of natural light.
Question: Mercuric oxide cells and batteries in the form of button cells excl spent
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Answer: Mercuric oxide cells and batteries, in the form of button cells (excl. spent)
In 1834 Jacobi proved that if a singlevalued function of one variable is doubly periodic then the ratio of the periods is imaginary

Can you repeat this sentence, but add in punctuation?
In 1834 Jacobi proved that if a single-valued function of one variable is doubly periodic then the ratio of the periods is imaginary.
input: When youve got the balls to roll with the help of sex has made a shock Obviously it is more than that in billiards
fixed: When you've got the balls to roll with the help of sex has made a shock. Obviously, it is more than that in billiards.
Leiden Hostel Leiden budget lodging Instant World Booking

Can you repeat this sentence, but add in punctuation?
Leiden Hostel Leiden - budget lodging | Instant World Booking