Execute Bash Shell Online

# Hello World Program in Bash Shell

#echo "Hello World!"

#for ((i = 1 ; i<=10 ; i++))

#do
a=7
i=1
    while [ $i -le 10 ]
    #for ((j = 1 ; j<=5 ; j++))
        do
        #echo -n "$i"
        
  
  echo " expr = `$a \* $i `"
        
 #echo " $a * $i = `expr $a \* $i` "
 i=`expr $i + 1`
        done
   #echo ""    ##print new line##
#done