What are the Python codes for these two questions?

string) and an output csv filename (a string), where the input csv filename is the name of a file that exists and the output csv filename is the name of the file you will write your output to. Your function should create a copy of the input csv file with an extra column containing each student's test average. Your function should not return anything How to test: # call inside main() write_with_averages( 'random_grades.csv', 'grades_and_averages.csv') There will be no output, but now a file named grades_and_averages.csv should exists in the same folder where random grades.csv is located and should contain the following Name,Test1,Test2,Test3,Average lla, 1,67,64,44.0 Xavier,83,11,54,49.333333333333336 Phillip,39,95,16,50.0