QUES: Here is the stadium of FC Barcelona Camp Nou its Museum and one of the best shopping areas of the city

correct the punctuation.

CORRECTED: Here is the stadium of FC Barcelona Camp Nou, its Museum and one of the best shopping areas of the city.

QUES: In the international part of our private equity business we advise four private equity funds on their investments in Southeast Asia and within microfinance

correct the punctuation.

CORRECTED: In the international part of our private equity business we advise four private equity funds on their investments in Southeast Asia and within microfinance.

QUES: I write code for a living and comedy for fun Actually I have fun writing code too but it sounds better the way I said it in the first sentence

correct the punctuation.

CORRECTED:
I write code for a living and comedy for fun. Actually, I have fun writing code, too, but it sounds better the way I said it in the first sentence.