Could someone provide me the prompts for Linux to complete the following task? T

Question

Could someone provide me the prompts for Linux to complete the following task?

Thank you!

Part IScript should contain the following tasks:

Script file name: math.sh

Clear the screen.

Enter appropriate comments or descriptions

Ask the user to input a value for each arithmetic calculations; for example, 1 for addition and 2 for subtraction, so on.

Use a case statement condition and the user input, complete arithmetic operations.

Print the result on the screen.

Part II             Test your program.

Give proper execute permission to run the script

Explanation / Answer

CODE :-

$clear
res=0
i="y"
# Take user Input
echo " Enter Two numbers:"
read a
read b
while [ $i="y" ]
do
# Calculator operations
echo "1.Addition"
echo "2.Subtraction"
echo "3.Multiplication"
echo "4.Division"
echo "Enter your choice"
read ch
# Switch Case to perform
# calulator operations
case $ch in
1)res=`expr $a + $b`
echo "Sum ="$res;;
2)res=`expr $a - $b`
echo "Sub = "$res;;
3)res=`expr $a * $b`
echo "Mul = "$res;;
4)res=`expr $a / $b`
echo "Div = "$res;;
*)echo "Please enter valid choice";;
esac
echo "Do you want to continue ?"
read i
if [ $i!="y" ]
then
exit
fi
done   

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