Create exercise_02.js

Author: Siyuan Gao

Lesson07/exercise_02.js

@@ -0,0 +1,17 @@
+let singers = [];
+singers.push('miku');
+console.log(singers);
+
+let food = new Array(3)
+food.push('burger');
+console.log(food);
+
+singers.push('me');
+console.log(singers);
+
+singers.pop();
+console.log(singers);
+
+singers.unshift('rin')
+
+console.log(singers);