Adding a new script that shows the use of variables and saving pther scripts as variables

var.sh

+#!/bin/bash
+
+#Set a variable
+exampleVariable=600
+
+#Set a variable from other scripts 
+exampleVariable2=$(./hello.sh)
+
+#Print out result 
+echo The value of the variable is $exampleVariable
+
+echo the value of variable 2 is $exampleVariable2