Goal: Write a logical statement comparing char variables.

Assignment: You are in charge of creating software to handle data relevant to a court case. Among the data you will have to handle are the

legal names of the defendant and the witnesses.

To avoid wrong data being inserted, you need to write a statement that will evaluate to true if a character of a person's name, stored within

the char variable letter is either an uppercase letter $($A$-$Z$)$ or a lowercase letter $($a$-$z$).$ Make sure to save your result to the variable result,

which you can assume to have already been declared. In c$++$