diff --git a/python-temel/raise.exception.py b/python-temel/raise.exception.py
new file mode 100644
index 0000000..6d80291
--- /dev/null
+++ b/python-temel/raise.exception.py
@@ -0,0 +1,9 @@
+def banner(text):
+    if not isinstance(text, str):
+        raise TypeError
+    print('-' * len(text))
+    print(text)
+    print('-' * len(text))
+
+banner('ankara')
+banner(100)