#!/bin/bash

grade=95

if [ $grade -ge 90 ]
then
	echo "A"
else
	echo "Work harder ..."
fi
			

#!/bin/bash

grade=85

if [ $grade -ge 90 ]
then
	echo "A"
elif [ $grade -ge 80 ]
then
	echo "B"
else
	echo "Work harder ..."
fi
			

#!/bin/bash

a="A"

case $a in
	"A") echo "Excellent ...";;
	"B") echo "Good ...";;
	"C") echo "Fair ...";;
	*) echo "Bad ...";;
esac
			

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