expressions wacky commit 19

added alert
alert("Hello " +userName + ", during your shooting workout you shot " +
twoPointPercentage  + "% inside the three-point line, and " +
threePointPercentage + "% from three-point range. You also shot "
+freeThrowPercentage + "% from that three point line. That is a total
shooting percentage of " + totalShootingPercentage + "% keep up the
practice.")