#!/bin/csh -f# This script is called gradeecho -n "What was your grade? "set grade = $<if ( $grade >= 90 && $grade <= 100 ) then	echo "You got an A\!"else if ( $grade > 79 ) then	echo "You got a B"else if ( $grade > 69 ) then	echo "You're average"else	echo "Better study"endif