diff --git a/python-temel/class.2.py b/python-temel/class.2.py
new file mode 100644
index 0000000..d3adf7a
--- /dev/null
+++ b/python-temel/class.2.py
@@ -0,0 +1,12 @@
+class Sample:
+    def foo(self):
+        print('foo')
+
+def b(self):
+    print('bar')
+
+Sample.bar = b
+
+s = Sample()
+s.foo()
+s.bar()