- A csv (comma-separated values) file is a common file format.
- The file grades.csv is an example of
a csv file that might be used to keep track of grades in
The Joy and Beauty of Data.
- Creating a new file from an existing file is a common task
for a computer scientist.
- Write a Python program that creates a file named grades2.csv.
The new file should contain all of the information from grades.csv
In addition, there should be a fourth
column entitled Average. For each student, the value in
the new column should be the average of the two grades.