 in function scope:",a);
            console.log("a in global scope:",return_global_a());
        };
        function test5() {
            b=2
            console.log("b in function scope:",b);
            console.log("b in global scope:",return_global_b());
        };
        function test6() {
            console.log("b in function scope:",b);
            console.log("b in global scope:",return_global_b());
        };

        d3.select("body").append("p").text("D3-101")
        
    </script>
</body>
