diff --git a/chart2/svgGraphs.html b/chart2/svgGraphs.html
index 23f96d6..2a97b27 100644
--- a/chart2/svgGraphs.html
+++ b/chart2/svgGraphs.html
@@ -36,7 +36,7 @@
             .append("g").attr("transform",
                "translate(" + margin.left + "," + margin.top + ")");
 
-         // Get the data
+         // Get the data from csv
          d3.csv("expensestrend.csv", function(error, data) {
             if (error) throw error;
             // format the data
diff --git a/playground/variables.js b/playground/variables.js
new file mode 100644
index 0000000..3715818
--- /dev/null
+++ b/playground/variables.js
@@ -0,0 +1,14 @@
+console.log("Starting....");
+
+var c;
+
+console.log(c);
+
+var d = 55;
+
+// template literal `..`
+console.log(`My answer is ${d}`);
+
+var x = 10;
+var y = 20;
+console.log(`Translate(${x}, ${y})`);