Question $6(12\mathrm{.}5$ points$)$

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Assume you have a file called QuizGrades.csv with the following content:

Student $1,100,90,80,90,80$

Student $2,70,80,85,85,80$

Student $3,100,100,100,95,100$

Student $4,70,70,80,70,80$

Student $5,90,90,90,90,100$

Which of the following lines is the correct way to open a text file such as the above for reading.