Added some things

Week-3/import-export/student-Class.js

@@ -0,0 +1,20 @@
+class Student {
+  constructor(name, mood) {
+    this.name = name;
+    this.mood = mood;
+  }
+}
+
+function printName(student) {
+  console.log(`Student's name is: ${student.name}`);
+}
+
+const printMood = (student) => console.log(`Student's mood is ${student.mood}`);
+
+//Multiline:
+export default Student;
+export { printName }; // export { printName as displayName };
+export { printMood }; // export { printName as displayMood };
+
+// Or one liner (Only one export works though):
+// export { Student as default, printName, printMood };