Write a program that minimally implements the following: A$.$ Import the variable students from the given Python script $($i$.$e$.,$ data.py$)$ B$.$ For each student calculate an Adjusted Total score from their $3$ exam scores by taking the average of the best $2$ exam scores $($Round to nearest whole number$)$ C$.$ For each student calculate a letter grade using the Adjusted Total score calculated prior and the following criteria: $$ At least $90$: A $8089$: B $7079$: C and $69$ or less: F D$.$ Print out ONLY students with an $\text{'}$A$\text{'}$ letter grade. The print output must satisfy the following: $$ Must have the following column headers respectively: FirstName, LastName, AdjTotal and Grade $$ Each field must be minimally $12$ charact