diff --git a/5_14.py b/5_14.py
new file mode 100644
index 0000000..b4f8f0c
--- /dev/null
+++ b/5_14.py
@@ -0,0 +1,8 @@
+def my_func():
+    a = 10
+    print("a:{}".format(a))
+    print("b:{}".format(b))
+b = 20
+my_func()
+print("b:{}".format(b))
+print("a:{}".format(a))