$>$ Task: Write a C$++$ program that reads student scores from the keyboard until a negative score is entered. Use a switch statement to determine the grade based on the score and display the result. Use continue to skip invalid scores $($scores not in the range $0-100).$

$>$ Requirements:

$1.$Continuously read scores from the user until a negative score is entered.

$2.$Use continue to skip invalid scores $($less than $0$ or greater than $100).$

$3.$Use a switch statement to assign a grade $($A$,$ B$,$ C$,$ D$,$ F$)$ based on the score range.

$4.$Use break to exit the loop when a negative score is entered.