In Python, if we have CSV files containing the first and last names and performance scores of employees (out of 100, decimals okay), how would we write a function to output the average score of whichever file we choose to open (without using import)?  Sample of what the CVS file might look like included.

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A: The Answer is in step2

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A: A

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A: Please upvote. I am providing you the correct answer below. Please please please.

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