Write a program that asks the user to enter eight test scores. The program should display a letter grade for each score and the average test score in a table format.

Write the following functions in the program:

calc$\_$average. This function should accept eight tes scores as arguments and return the average of the scores.

determine$\_$grade. This function should accept a test score as an argument and return a letter grade for the score based on the following grading scale:

$\backslash$table$[[$Score$,\backslash$table$[[$Letter$],[$Grade$]]],[98-,$A AABBBCC$]]$

$\backslash$table$[[$Input:$,$Expected,Code$],[60,$output:,Structures$],[70,$Enter score $1$:$,$Needed:$],[80,,$f$-$string$],[$functions$,,],[90,$Enter score $2$:$,($void$)],[100,,$functions$],[65,$Enter score $3$:$,($return$)],[75,,$main$],[85,$Enter score $4$:$,($function$)],[,$Enter score $5$:$,],[,$Enter score $6$:$,]]$