Add student_class to solution

Author: Citrus716

2_intermediate/chapter12/solutions/student_class

@@ -0,0 +1,18 @@
+# Create a class called Student with instance attributes: Name and Age.
+# The user can input the Name and Age. Add 2 methods to the class:
+# A raiseHand method which prints out the student name followed
+# by “is now raising their hand.” A growOlder method that makes the
+# student older by 1 year.
+
+class Student:
+
+    def __init__(self, name, age):
+        self.name = name
+        self.age = age
+
+    def raiseHand(self):
+        print(self.name + " is now raising their hand.")
+
+    def growOlder(self):
+        self.age += 1
+