In A$1,$ A$2$ and A$3,$ you will write a program

$-$ that reads the file $$scores$.$txt$$

$-$ processes the file to calculate the grade for each student

$-$ and writes out another file called "grades.txt$"$ with just two

fields separated by a comma

$$ Students email and

$$ final letter grade

This assignment evaluates your understanding programming principles you

have learned in various course.

$$ It cover the concepts such as

$$ Objects, Classes

$$ File Reading

$$ File Writing

$$ Iterations, Conditions

$$ Data Processing.

$$ Test Data:

$$ Create scores.txt with some dummy test data.

$$ Students are encouraged to create one test line and share it in

discussion board.

Submit a ZIP file containing

$$ all the sources files

$$ scores.txt $($the test file you created$)$

$$ grades.txt